Locked revenue figures are available in Radar; the eight company financial previews stay the same throughout this page. A dash means the figure is outside these featured lists. Revenue years vary by company; the figures are not a like-for-like revenue comparison. Compare annual accounts ↗
Chennai’s
environment industry,
in focus.
The companies, capital and talent shaping environment in Chennai. Find the leaders. Understand the segments. See where the activity is.

An industry ecosystem,
measured in context.
MEET THE COMPANIESExplore Chennai’s environment leaders
24 featured companies from the funding, hiring, revenue and team-size leaderboards.
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Explore Chennai’s environment leaders
24 featured companies from the funding, hiring, revenue and team-size leaderboards.
Company discovery
Recorded evidence onlyExplore the live startup set in Radar
No company example met every recorded classification, independence and public-profile gate in this snapshot. The live directory may have newer qualifying companies.
Explore classified startups in Radar ↗Environment industry KPIs in Chennai
A few useful ratios bring the size of this ecosystem into perspective.
32 of 302 tracked companies have open roles.
21 of 302 tracked companies have a recorded round.
Share of disclosed capital received by the three largest recorded recipients.
Midpoint of 12 rounds with a disclosed amount.
Scale is concentrated. Opportunity is broader. The three largest funding recipients hold 89.6% of disclosed capital, while 93.0% of tracked companies have no recorded funding round.
Explore the segments →CAPITAL & COMPANY FORMATIONHow Chennai environment has grown
Recorded company formation and disclosed funding across the complete annual series shown.
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How Chennai environment has grown
Recorded company formation and disclosed funding across the complete annual series shown.
Disclosed funding by year
Sum of recorded funding rounds · USD
View the numbers
| Year | Funding (USD) | Founded | Raising |
|---|---|---|---|
| 2016 | $1.14M | 16 | 1 |
| 2017 | $15.4M | 13 | 2 |
| 2018 | $445.38M | 10 | 1 |
| 2019 | $0 | 13 | 0 |
| 2020 | $0 | 10 | 0 |
| 2021 | $86.34K | 15 | 1 |
| 2022 | $46.84M | 11 | 4 |
| 2023 | $0 | 4 | 0 |
| 2024 | $2M | 5 | 1 |
| 2025 | $863.02K | 0 | 2 |
Funding concentration
Share of all disclosed company funding.
- L&T IDPL77.3%
- ReGen Powertech7.4%
- Orient Green Power Company4.9%
- Other companies10.4%
Funding by stage
16 recorded rounds since 2016
Investors appearing most often
Recorded participation in environment company rounds since 2016.
- 01Approveddrivesandpatios 2 rounds
- 02Lakshmi Narayanan 2 rounds
- 03StartupTN 2 rounds
- 04Cascade 1 rounds
- 05MCAP 1 rounds
- 06IDFC First Bank 1 rounds
- 07Allianz Capital Partners 1 rounds
- 08CPP Investments 1 rounds
- 09RTBI 1 rounds
- 010Russell DeLucia 1 rounds
Recent recorded rounds
Latest recorded rounds · USDLargest and notable recorded rounds
Each card is one recorded roundBacked by Allianz Capital Partners and CPP Investments.
Backed by CPP Investments.
Backed by Old Lane Commodities and J P Morgan and others.
Backed by Everstone Capital.
Backed by MCap Fund Advisors and Bandhan Mutual Fund.
Backed by New Enterprise Associates.
Backed by Everstone Capital.
Backed by Kohli Ventures.
Backed by MCap Fund Advisors and TVS Capital Funds.
Backed by RY Investments.
THE BUSINESS BEHIND THE ACTIVITYRevenue, profitability & financial strength
Annual accounts for reporting companies linked to this landscape, on like-for-like currency and reporting bases.
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Revenue, profitability & financial strength
Annual accounts for reporting companies linked to this landscape, on like-for-like currency and reporting bases.
Display conversions use the dated reference rates above. Where a verified rate is unavailable, figures retain their source currency. Each reporting cohort keeps its currency and accounting basis separate.
FY2025 · annual statements grouped by reported fiscal year; exact entity periods remain on preview rows · 131 reporting entities from 165 eligible matches.
Sum of reporting-entity revenue; not Chennai market sales.
Combined result for the same cohort.
Combined net income ÷ combined revenue.
The middle covered reporting entity.
103 of 131 covered entities.
Share of covered revenue from the five largest entities.
Annual account trend
Reported cohort totals by year; coverage is stated for every period.
Bar height shows revenue. Changes in coverage can affect totals.
Profitability has two perspectives
FY2025 · 131 reporting entities
Open the company accounts
Up to eight fixed company previews show financial amounts. Search and sort the wider company list, then continue in Radar.
| Company / reporting entity | Revenue | Net profit / loss | Net margin | Revenue growth | Total assets |
|---|---|---|---|---|---|
| Refex Group ↗L45200TN2002PLC049601 | ₹2,430.0 crore | ₹189.4 crore | +7.8% | — | ₹1,681.0 crore |
| Shriram EPC ↗L74210TN2000PLC045167 | ₹597.7 crore | ₹25.1 crore | +4.2% | — | ₹2,313.4 crore |
| Swelect Energy Systems ↗L93090TN1994PLC028578 | ₹431.3 crore | ₹8.6 crore | +2.0% | — | ₹1,239.9 crore |
| BI Marketing and Services ↗U51395TN2000PTC045394 | ₹81.1 crore | ₹2.5 crore | +3.1% | — | ₹24.7 crore |
| Hild Projects ↗U74900TN2012PTC085271 | ₹62.0 crore | ₹0.5 crore | +0.7% | — | ₹213.5 crore |
| EHands Energy ↗U40109TN2010PTC078254 | ₹4.3 crore | ₹0.1 crore | +1.5% | — | ₹7.9 crore |
| Hiyoshi India ↗U73100TN2011FTC078693 | ₹2.8 crore | ₹0.2 crore | +5.4% | — | ₹9.8 crore |
| Avant Garde ↗U74210TN1990PTC018843 | ₹0.5 crore | ₹0.8 crore | +147.3% | — | ₹26.1 crore |
Explore full company accounts and filings.
Explore a reporting entity
Choose “View accounts” to inspect an available company preview.
How does environment compare?
Each pair uses the same year, currency and reporting basis. Cohort overlap is disclosed.
| Industry | Covered / eligible | Revenue total | Median revenue | Net profit / loss | Aggregate margin | Profitable share | Overlap |
|---|
Available-account cohorts are not estimates of whole industries. Overlapping entities can occur in more than one cohort; do not add cohort totals.
Coverage, calculations & financial sources
Filed annual accounts for exact designated national identifiers. Every aggregate and peer pair uses one fiscal year, source currency and reporting basis; periods, coverage and overlap are explicit; 2026 partials are excluded.
The same up to eight reporting entities remain open across years, filters and sorts. Other company figures are available in Radar.
Source currencies and accounting bases stay separate. Missing accounts are excluded rather than treated as zero. Exact reporting periods appear on company previews. Annual totals can change with coverage and do not measure growth of a fixed company cohort.
Web traffic, app reach and release cadence
How the Chennai companies on this page show up online: the sites people visit, the apps they install, and how often those apps ship.
Most-installed apps
6 of these companies (2%) publish at least one Android app — 11 apps in all, carrying 16.7K installs between them.
| App | Installs | Rating | Store category |
|---|---|---|---|
| SMART MOTOR PUMP CONTROLLERRMG Automation | 9.1K | — | House & Home |
| Smart Water TankRMG Automation | 3.2K | — | House & Home |
| Fenice CareFenice Energy | 1.8K | — | Business |
| RMG Bluetooth Smart Switch forRMG Automation | 1K | — | Tools |
| RMG SMART HOMERMG Automation | 932 | — | House & Home |
| Fenice PartnerFenice Energy | 469 | — | Business |
| Elements EnergyElements Energy | 88 | — | Tools |
| EurusBioEurus Helios | 33 | — | Communication |
| Cube MeetingCube | 8 | — | Business |
| ArrplEMSappARRPL | 7 | — | Productivity |
Installs are lifetime totals to date at the June 2026 store reading — a measure of reach, not of people using an app today.
App reach by segment
The busiest app inside each of this page’s own segments, with the quarterly release trend behind it (2023Q2–2024Q1).
| Segment | Apps | Installs | Leading app | Release trend |
|---|---|---|---|---|
| Waste & Water Management | 4 | 14.3K | SMART MOTOR PUMP CONTROLLER 9.1K | |
| Solar Energy | 4 | 2.3K | Fenice Care 1.8K | |
| Environment Consultancy Services | 2 | 9 | Cube Meeting 8 |
A company can carry several segment tags, so these rows overlap and should not be added together. Trend lines are zero-based and share one quarter grid, so a flat line is a quiet segment, not a missing one.
INSIDE THE INDUSTRYThe Chennai environment market map
Explore the segments behind the headline numbers.
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The Chennai environment market map
Explore the segments behind the headline numbers.
Where companies are building
Rank segments by scale, hiring or disclosed funding.
Companies can sit in several segments. Counts and funding overlap.
Segment data unavailable
The largest measured segment in this report snapshot.
0 companies hiring · $0 disclosed funding
Explore in RadarHow companies make money
Common revenue models; a company can use more than one.
THE COMPANIES IN MOTIONWho is listing, hiring leaders, launching and winning work
Recorded corporate activity linked to companies in this landscape.
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Who is listing, hiring leaders, launching and winning work
Recorded corporate activity linked to companies in this landscape.
Recent corporate headlines 7 dated reports
Miller Center Capital, in partnership with fund manager Beneficial Returns, has announced catalytic financing support for E-Hands Energy, a Chennai-based renewable energy enterprise focused on expanding decentralized solar power solutions across underserved rural regions in India.
Indowind Energy Limited proposes to open its Rights Issue on Monday, December 1, 2025, aiming to raise ₹49.43 crore.
Under the approved plan, Refex Green Mobility Limited (RGML), currently a wholly owned subsidiary of RIL, will first be merged into the parent company.
"The Municipal Platform will commit an equity investment of up to $100 million in capital projects over a 3 to 5-year period," the company stated.
Additionally, SWELECT Group secured Rs 290 crore via Non-Convertible Debentures (NCDs) through a private placement with India Infradebt Limited.
Public issue of 5,000,000 equity shares of Rs.10/- each of Shriram EPC limited for cash at a price of Rs.300/- per equity share (including a share premium of Rs.290/- per equity share aggregating Rs.150.00 crores (theIssuer).The issue would constitute 11.66% of the fully diluted post issue paid up capital of the company.Issue Price is Rs.300/- per equity share of face value of Rs.10The issue price is 30 times of the face value
Hubert Enviro Care Systems (HECS), a Chennai-based water treatment solutions provider, is set to launch an initial public offering (IPO) within the next 6-12 months.
Full recorded event mix
Top 10 categories among 244 recorded events in the 24-month window.
IPO pipeline
5 companies with recorded IPO activity
IPO1 reports
IPO1 reports
IPO1 reports
IPO1 reports
IPO1 reports
Leadership moves
6 tracked people moves
Death Previously Vice-President (Operations & Maintenance)
Appointment Chief Executive Officer, Managing Director
Appointment Whole-time Director and Vice-Chairman
Appointment Chief Executive Officer and Managing Director
Contract wins
48 recorded customer wins
Customer: Saudi ArabiaWater Treatment
Customer: KuwaitWater treatment
Customer: NHAI and PWD authoritiesInfrastructure
Customer: National Highways Authority of IndiaInfrastructure
Customer: Tiruchirappalli City Corporation, Tamil NaduInfrastructure
Customer: Renewable Energy
Regulatory events
8 recorded events
Search operations commencedIncome Tax Department
search concluded with no adverse findingsIncome Tax Department
penalty imposedSecurities and Exchange Board of India (Sebi)
penalty imposed on Anil JainSEBI
Litigation
1 tracked suits
income tax demand challengeRegulatory · Verdict
Earnings pulse
Reported company results in the recorded window.
Median across 82 reported growth observations; companies may contribute multiple periods.
Mergers and acquisitions
Company-linked deal reports; status is preserved as recorded.
| Acquirer → target | Status | Date | Value / context |
|---|---|---|---|
| Refex Group→Refex Green Mobility Limited | Announced | 2025-09-24 | Not stated in snapshot |
| Vanguard Group→Wabag ↗ | Announced | 2024-09-20 | Not stated in snapshot |
| Edelweiss Alternatives→L&T IDPL ↗ | Announced | 2024-04-11 | Not stated in snapshot |
| Epic Concesiones Private Limited→L&T IDPL ↗ | Announced | 2023-12-19 | Not stated in snapshot |
| Portfolio company of Infrastructure Yield Plus II→L&T IDPL ↗ | Announced | 2022-12-19 | Not stated in snapshot |
| Na→L&T IDPL ↗ | Announced | 2022-12-19 | Not stated in snapshot |
A discussion or rumour is not a completed transaction. An unstated value is not zero.
PEOPLE & OPPORTUNITYThe talent market
26 postings in the preceding 12 months. The full 30-posting snapshot covers 24 employers.
Expand panel +
The talent market
26 postings in the preceding 12 months. The full 30-posting snapshot covers 24 employers.
Most advertised job titles
0 tracked postings mention remote work.
The seniority mix
9 postings specify a level.
Skills employers mention
Top skills across 30 tracked postings in the available jobs snapshot.
Companies hiring
Large employers
| Company | Employees |
|---|---|
| Operational Energy Group ↗ | 2,786 |
| Aban Offshore ↗ | 1,750 |
| Wabag ↗ | 847 |
| Beardsell ↗ | 750 |
| Sri Ramachandra University ↗ | 715 |
| Shriram EPC ↗ | 448 |
| Indowind Energy Ltd ↗ | 375 |
| Swelect Energy Systems ↗ | 319 |
THE PEOPLE BUILDING THE FIELDFounders and leaders
113 founders and chief executives across 81 companies.
Expand panel +
Founders and leaders
113 founders and chief executives across 81 companies.
Suryanarayanan N K
Shriram EPC ↗Ex-CEO Hamon India Thermal Engineers & Contractors, Kirloskar AAF. Pandit Motilal Government Schools BSc, NSS College of Engineering Palakkad
Venkatesh Rajaratnam
Everrenew ↗Ex-Siemens Gamesa Renewable Power, Dolphin Group, Assel Construction Systems, Cethar Vessels. Bishop Heber College, Tiruchirappalli 1980…
Nithish Sairam
Illumine I ↗Ex-NextEra Energy, Tesla. Anna University BE 2012, Ira A. Fulton Schools of Engineering at Arizona State University MSc 2014
Satya Chakravarthy
X2Fuels & Energy ↗Ex-Co-Founder Aerostrovilos Energy, AgniKul Cosmos. IIT Madras BTech, Georgia Institute of Technology PhD
Iwan Richard
Reneonix ↗Ex-doodleblue Innovations, Vanan Online Services, Concentrix · Loyola College 2016
Raghuraman Chandrasekaran
EHands Energy ↗E Hands Sustainability Foundation, ex-Quintel, ex-Dr Reddys Laboratories, Indian Statistical Institute, Kolkata, 1983
Ravi Ayyangar
Avris Environment Technologies ↗Ex-Espiem Plasticss, OMC Computers, Priyadarshini Cement.
Dawood Mohammed
Earth Recycler ↗Ex-Greenvironment Innovation & Marketing India, Vodafone India. Madurai Kamaraj University MBA 2016, Manonmaniam Sundaranar University BBA 2015.
Fawaz Hussain
Daystar Solar ↗Ex-Geneva International Model United Nations, VP AIESEC Switzerland, Barkath Hardware. Anna University BE 2006, Geneva Business School MBA 2011
Sridhar Harikrishnamoorthy
Orcci Eco ↗Founder Orcci Eco Products, VNS ENVIROBIOTECHQ, ex- Co-Founder Greenwrap. Pondicherry University 2006, Manonmaniam Sundaranar University 2008…
Pankaj Choudhary
CarbonMinus ↗Ex-ANC LIFESTYLE, Government of India, BW Group, eClerx. Marine Engineering And Research Institute, University of Mumbai MS, IIM Calcutta MBA
Abdul Malik
Ultimate Associates ↗Ex-Sewa Development Trust Sindh, Galaxy Smart High School Larkana. Shaheed Zulfikar Ali Bhutto Institute of Science and Technology MBA 2017
Education networks
11 profiles with education records.
Prior employers
0 profiles with prior-work records.
Profiles cover recorded founders and leaders; contact details remain in Radar.
NEWS INTELLIGENCEHow this industry appears in the news
39,531 articles in the measured 12-month window.
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How this industry appears in the news
39,531 articles in the measured 12-month window.
News volume trends
Environment coverage tagged Chennai · articles per complete quarter
View quarterly article counts
| Quarter | Articles |
|---|---|
| 2021Q2 | 4,113 |
| 2021Q3 | 4,064 |
| 2021Q4 | 3,633 |
| 2022Q1 | 4,080 |
| 2022Q2 | 4,913 |
| 2022Q3 | 6,048 |
| 2022Q4 | 6,255 |
| 2023Q1 | 6,652 |
| 2023Q2 | 6,948 |
| 2023Q3 | 7,263 |
| 2023Q4 | 7,750 |
| 2024Q1 | 6,404 |
| 2024Q2 | 6,487 |
| 2024Q3 | 9,175 |
| 2024Q4 | 8,033 |
| 2025Q1 | 8,485 |
| 2025Q2 | 5,965 |
| 2025Q3 | 7,159 |
| 2025Q4 | 7,851 |
| 2026Q1 | 16,418 |
Article volume measures coverage, not market sales.
Tone of coverage over time
Most-covered companies
Company share of voice
273 recorded company events across 12 companies; percentages use that event total.
Leading coverage topics
Environment coverage tagged Chennai · ranked by full-period article count.
Recent and prior counts use the source comparison windows.
Topics gaining and losing attention
India comparison coverage
| Keyword | Recent | Prior | Change |
|---|---|---|---|
| tariff negotiations | 11,620 | 5,680 | 105% |
| bilateral trade | 4,610 | 2,436 | 89% |
| trade dispute mechanisms | 4,511 | 2,203 | 105% |
| trade barrier reduction | 4,493 | 2,440 | 84% |
| trade facilitation commitments | 4,326 | 2,201 | 97% |
| free trade deals | 4,079 | 2,428 | 68% |
| multilateral diplomacy | 3,917 | 2,723 | 44% |
| diplomatic strategies | 3,815 | 2,351 | 62% |
| bilateral trade imbalance | 3,280 | 2,044 | 60% |
| diplomatic engagements | 3,139 | 1,991 | 58% |
| odi cricket | 6,037 | 9,656 | -37% |
| limited overs cricket | 5,777 | 9,305 | -38% |
| odi tactics | 5,631 | 8,744 | -36% |
| odi series | 5,258 | 8,321 | -37% |
| odi rankings | 5,010 | 8,065 | -38% |
Event and signal lenses
India comparison coverage
Regulatory Risk
1,418,121 classified articlestest cricket, test innings, odi world cup
55.2% critical · 35.2% positiveFunding Momentum
238,332 classified articlespre-ipo valuation, ipo prospectus, ipo pricing
49.1% critical · 46.9% positiveGrowth
517,907 classified articlesgdp growth rate, economic output growth, economic growth statistics
46.9% critical · 50.8% positiveEnvironment coverage tagged Chennai. Topic labels describe recorded classifications and can include broad context.
RESEARCH SIGNALSWhat Environment research is working on
1,195 papers in the recorded india scope.
Expand panel +
What Environment research is working on
1,195 papers in the recorded india scope.
Research orientation
Contribution mix
Tone counts: 1,034 positive · 36 neutral · 125 negative.
- Environmental monitoring40 papers
- Pollution32 papers
- Human health25 papers
- Microplastics22 papers
- Water quality17 papers
- Wireless sensor network15 papers
- Air quality index15 papers
- Pollutant14 papers
Landmark: A review on environmental gas sensors: Materials and technologies
- Water quality9 papers
- Pollution7 papers
- Environmental impact assessment6 papers
- Environmental monitoring6 papers
- Baseline6 papers
- Pollutant5 papers
- Plan5 papers
- Sediment5 papers
Landmark: Enhancing Precision Agriculture and Environmental Monitoring Using Proximal Remote Sensing
- Environmental monitoring201 papers
- Internet of Things137 papers
- Wireless sensor network104 papers
- Air pollution90 papers
- Air quality index90 papers
- Water quality79 papers
- Cloud computing60 papers
- Agriculture55 papers
Landmark: Applications of wireless sensor networks — A survey
Leading institutions
Leading researchers
Highly cited breakthrough-labelled papers
- An IoT Based Smart Water Quality Monitoring System using Cloud120 citations
- Advances in real time smart monitoring of environmental parameters using IoT and sensors111 citations
- Land Slide detection and monitoring system using wireless sensor networks (WSN)47 citations
- Novel approach to large-scale monitoring of submerged aquatic vegetation: A nationwide example from Sweden44 citations
- Air pollution monitoring using wireless sensor network38 citations
Common problems researchers identify
141 papers · 4 recurring themes
Common problems researchers identify · 01Heavy Metal and Bioaccumulation Risks
52 papers36.9% of this theme group
Researchers highlight widespread heavy‑metal contamination and its bioaccumulation in water, sediments, and marine organisms.
Contamination (9) · Pollution (14) · Heavy metals (5) · Bioaccumulation (5)
Heavy metal monitoring and health risk assessment of a tropical mountainous river in Kerala, India
A Systematic Review on Heavy Metal Contamination in Sediment, Water, and Different Faunal Groups Inhabiting Marine Waters of India: Current
View research history
| Year | Share index |
|---|---|
| 2022 | 798.0 |
| 2023 | 764.8 |
| 2024 | 716.4 |
| 2025 | 776.0 |
Common problems researchers identify · 02IoT‑Based Environmental Sensor Deployments
41 papers29.1% of this theme group
Studies point to challenges in deploying wireless sensor networks and IoT platforms for real‑time environmental monitoring.
Wireless sensor network (14) · Software deployment (9) · Internet of Things (10) · Environmental monitoring (20)
Indoor Air Quality Monitoring Systems for Enhanced Living Environments: A Review toward Sustainable Smart Cities
Advancement of Environmental Monitoring System Using IoT and Sensor: A Comprehensive Analysis
View research history
| Year | Share index |
|---|---|
| 2022 | 1005.8 |
| 2023 | 998.1 |
| 2024 | 1060.6 |
| 2025 | 1116.9 |
Common problems researchers identify · 03Remote Sensing for Land and Soil Monitoring
27 papers19.1% of this theme group
Papers discuss limitations of remote‑sensing techniques for tracking vegetation, land‑cover change, and soil conditions.
Environmental monitoring (15) · Vegetation (3) · Remote sensing (3) · Land cover (3)
Environmental Assessment of Soil for Monitoring Volume VI: Soil Monitoring System for Europe
ENVIRONMENTAL MONITORING WITH MACHINE LEARNING
View research history
| Year | Share index |
|---|---|
| 2022 | 1618.8 |
| 2023 | 1697.9 |
| 2024 | 1829.9 |
| 2025 | 1267.6 |
Common problems researchers identify · 04Microplastic Pollution and Health Impacts
21 papers14.9% of this theme group
Research flags microplastic presence in aquatic systems and potential risks to ecosystem and human health.
Microplastics (18) · Plastic pollution (6) · Aquatic ecosystem (6) · Human health (8)
Understanding Microplastic Pollution in Groundwater: Pathways, Health Implications and Solutions
Health implications of microplastic exposure and sustainable solutions
View research history
| Year | Share index |
|---|---|
| 2022 | 151.7 |
| 2023 | 153.1 |
| 2024 | 162.2 |
| 2025 | 196.5 |
Cautions
36 papers · 4 recurring themes
Cautions · 01Water Quality and Sediment Contamination Concerns
14 papers38.9% of this theme group
Authors caution about heavy‑metal and microbial threats to groundwater, rivers, and wetland sediments.
Water quality (7) · Pollution (5) · Sediment (3) · Wetland (2)
Hydro-environmental risk assessment of heavy metal pollution in the groundwater and river water of the Amaravati Basin, Southern India
Anthropogenic and natural factors impacting microbiological and physicochemical surface water quality along an urban tropical wetland
View research history
| Year | Share index |
|---|---|
| 2022 | 1200.6 |
| 2023 | 1125.5 |
| 2024 | 1010.6 |
| 2025 | 1108.8 |
Cautions · 02Governance and Emerging Tech Integration Risks
10 papers27.8% of this theme group
Works urge careful integration of IoT, blockchain, and AI within environmental governance and climate strategies.
Sustainability (3) · Transformative learning (2) · Environmental governance (2) · Climate change (2)
Internet-of-Things-blockchain integration in environmental pollution monitoring data management: trends and techniques
AI for Earth: Revolutionizing Environmental Monitoring
View research history
| Year | Share index |
|---|---|
| 2022 | 574.7 |
| 2023 | 650.8 |
| 2024 | 702.3 |
| 2025 | 853.3 |
Cautions · 03Precision Monitoring Technology Limitations
7 papers19.4% of this theme group
Studies note practical constraints of proximal sensing and biosensing platforms for accurate environmental toxicant detection.
Environmental monitoring (4)
Enhancing Precision Agriculture and Environmental Monitoring Using Proximal Remote Sensing
Personal Glucose Meter: Biosensing Platforms for Environmental Toxicants
View research history
| Year | Share index |
|---|---|
| 2022 | 60.8 |
| 2023 | 56.5 |
| 2024 | 56.2 |
| 2025 | 83.2 |
Cautions · 04Impact Assessment and Planning Gaps
5 papers13.9% of this theme group
Research highlights insufficient baseline data and planning in environmental impact assessments for infrastructure projects.
Plan (3) · Environmental impact assessment (3) · Section (2) · Baseline (2)
Quantification of Impacts and Environmental Management Plan for the Proposed Coke Oven Plant at Siltara, Raipur
ENVIRONMENTAL IMPACT ASSESSMENT OF FOUR LANING OF NAGPUR-KATOL SECTION OF NH-353J: A CRITICAL STUDY
View research history
| Year | Share index |
|---|---|
| 2022 | 36.3 |
| 2023 | 38.1 |
| 2024 | 40.0 |
| 2025 | 47.2 |
Opportunities
670 papers · 7 recurring themes
Opportunities · 01Satellite‑Driven Biodiversity and Vegetation Monitoring
143 papers21.3% of this theme group
Opportunities focus on using satellite imagery to track biodiversity, vegetation health, and ecosystem sustainability.
Environmental monitoring (46) · Biodiversity (10) · Vegetation (8) · Satellite imagery (10)
Investigating environmental sustainability applications using advanced monitoring systems
AI for Sustainability: Real-Time Computer Vision for Environmental Monitoring and Conservation
View research history
| Year | Share index |
|---|---|
| 2022 | 324.7 |
| 2023 | 328.3 |
| 2024 | 304.4 |
| 2025 | 354.4 |
Opportunities · 02IoT and Cloud Solutions for Water Quality
139 papers20.7% of this theme group
Papers explore IoT‑enabled, cloud‑based systems to improve real‑time water quality monitoring and management.
Internet of Things (81) · Water quality (34) · Cloud computing (28) · Environmental monitoring (55)
Enhancing Environmental Safety: Design and Development of IoT based Air Quality Monitoring System
IoT-Enabled Advanced Water Quality Monitoring System for Pond Management and Environmental Conservation
View research history
| Year | Share index |
|---|---|
| 2022 | 1366.6 |
| 2023 | 1354.0 |
| 2024 | 1444.2 |
| 2025 | 1515.8 |
Opportunities · 03AI‑Enhanced Air Pollution Indexing
92 papers13.7% of this theme group
Research promotes AI models for accurate air‑quality indexing and proactive pollution mitigation.
Air quality index (72) · Air pollution (66) · Pollutant (21) · Pollution (21)
Artificial Intelligence Based Air Quality Monitoring System with Modernized Environmental Safety of Sustainable Development
Air Pollution Monitoring by Indulging AI and IoT for Environmental Protection
View research history
| Year | Share index |
|---|---|
| 2022 | 562.1 |
| 2023 | 543.0 |
| 2024 | 467.8 |
| 2025 | 592.9 |
Opportunities · 04Biosensor Platforms for Contaminant Detection
89 papers13.3% of this theme group
Studies present biosensor technologies aimed at rapid detection of pesticides and other environmental contaminants.
Biosensor (17) · Environmental monitoring (43) · Pesticide residue (7) · Pesticide (9)
Biosensors for Environmental Monitoring
Techniques in Prevention, Detection and Monitoring of Environmental Contaminants
View research history
| Year | Share index |
|---|---|
| 2022 | 74.7 |
| 2023 | 70.1 |
| 2024 | 63.0 |
| 2025 | 70.6 |
Opportunities · 05Machine‑Learning Water Quality Prediction
83 papers12.4% of this theme group
Works demonstrate machine‑learning approaches for forecasting arsenic and other groundwater quality parameters.
Water quality (38) · Arsenic (6) · Groundwater (6) · Hydrology (5)
A Multi-sensor Process for In-Situ Monitoring of Water Pollution in Rivers or Lakes for High-Resolution Quantitative and Qualitative Water Q
WATER QUALITY PREDICTION USING MACHINE LEARNING TECHNIQUE
View research history
| Year | Share index |
|---|---|
| 2022 | 757.0 |
| 2023 | 726.8 |
| 2024 | 656.0 |
| 2025 | 718.5 |
Opportunities · 06Advanced Wireless Sensor Networks
67 papers10.0% of this theme group
Research highlights robust wireless sensor networks for continuous, real‑time environmental data collection.
Wireless sensor network (63) · Real-time computing (24) · Wireless (19) · Key distribution in wireless sensor networks (9)
Wireless sensor networks for monitoring the environmental activities
Environmental Monitoring Using Wireless Sensors: A Simulation Approach
View research history
| Year | Share index |
|---|---|
| 2022 | 448.2 |
| 2023 | 416.9 |
| 2024 | 292.6 |
| 2025 | 287.4 |
Opportunities · 07IoT‑Driven Precision Agriculture Monitoring
57 papers8.5% of this theme group
Papers showcase IoT and sensor integration to support sustainable, data‑rich precision farming practices.
Precision agriculture (39) · Agriculture (34) · Internet of Things (20) · Sustainable agriculture (5)
Real-time environmental monitoring in smart agriculture through IoT and wireless sensor networks
Agriculture Monitoring System Using Wireless Sensor Network: An IoT-Based Approach
View research history
| Year | Share index |
|---|---|
| 2022 | 3563.3 |
| 2023 | 3640.7 |
| 2024 | 3588.2 |
| 2025 | 3973.9 |
How this field compares with the research baseline
Orientation shares compared with 25,000 papers in the reference sample.
| Research orientation | This field | Reference sample |
|---|---|---|
| Promising | 33.6% | 37.6% |
| Breakthrough | 28.5% | 26.0% |
| Descriptive | 18.2% | 17.7% |
| Problem-identifying | 13.4% | 9.3% |
| Cautionary | 3.8% | 4.3% |
| Comparative | 2.1% | 4.0% |
| Critical | 0.3% | 1.0% |
Concerns receiving less research attention
Counts and shares refer to the stated research pool. A low count describes how much of that research is recorded here, not the absence of a real-world concern.
| Concern / example paper | Papers | Share | Raised as a problem | Worldwide share |
|---|---|---|---|---|
| Privacy & surveillanceCommunity Dynamics and Engagement Strategies in Establishing Demographic Development and Environmental Surveillance Syst | 26 | 2.5% | 7 (26.9%) | 1.1% |
| Hardware, e-waste & supply chainEnhancing public health and environmental safety through onsite waste segregation in animal research facilities | 3 | 0.29% | 2 (66.7%) | 0.44% |
| Energy & datacenter footprint | 0 | 0.0% | 0 (%) | 0.05% |
| Water use | 0 | 0.0% | 0 (%) | 0.0% |
| Carbon & emissions of compute | 0 | 0.0% | 0 (%) | 0.02% |
| Labour & data work | 0 | 0.0% | 0 (%) | 0.0% |
| Safety & misuse | 0 | 0.0% | 0 (%) | 0.01% |
| Bias & fairness | 0 | 0.0% | 0 (%) | 0.03% |
| Concentration of compute power | 0 | 0.0% | 0 (%) | 0.0% |
Institution and researcher rankings use citations to their covered work. Research scope: India. This may be broader than the company geography.
Environment in Chennai: key questions
Clear definitions for making better comparisons.
What does this landscape measure?
It measures the tracked company ecosystem, recorded funding, hiring and other available evidence. It is not a market-size estimate.
Can segment counts be added together?
No. A company can belong to several segments, so segment counts and funding can overlap.
What does a missing figure mean?
A dash or unavailable panel means the current reviewed source snapshot does not support that figure.
Company ecosystem snapshot: 4 September 2026. Funding is recorded in USD; filed accounts retain their stated currency and reporting basis. Each section identifies its own coverage. The news and research behind these sections is explorable in Prism.
Canonical landscape ↗