17 Fast-Growing Sustainable Startups in India to Watch in 2025

India's startup ecosystem is exploding with green innovation. As the world races toward net-zero emissions, Indian entrepreneurs are at the forefront—building scalable solutions to tackle pollution, waste, and climate change. In 2025 alone, green startups have already attracted nearly $2 billion in funding, up 40% from last year, signaling a massive shift toward profitability and purpose. From electric vehicles revolutionizing urban transport to mycelium-based packaging replacing plastics, these ventures aren't just eco-friendly—they're economically unstoppable.

If you're an investor, founder, or eco-conscious consumer, this list is your roadmap to the future. We've ranked them by impact and funding traction, drawing from the latest 2025 data. Ready to meet the trailblazers? Let's dive in.

Table of Contents

• What Makes a Startup “Sustainable” in India in 2025?
• Why Sustainable Startups Are Booming in India (2024–2025 Stats)
• Top 18 Sustainable Startups in India 2025 (Ranked by Impact & Funding)
• Success Stories & Case Studies
• Emerging Green Startup Trends in India for 2025–2030
• How to Start Your Own Sustainable Startup in India (Step-by-Step)
• Government Schemes & Funding Options in India 2025
• FAQ
• Conclusion

What Makes a Startup “Sustainable” in India in 2025? 

In India's hyper-competitive market, sustainability isn't a buzzword—it's a business imperative. A sustainable startup here goes beyond carbon footprints; it integrates environmental, social, and governance (ESG) principles into core operations while delivering measurable impact.

Key markers for 2025:

• Circular Economy Focus: Reusing waste as raw materials (e.g., turning agricultural residue into batteries).
• Scalable Tech Integration: AI, IoT, and blockchain for efficient resource use.
• Local Adaptation: Solutions tailored to India's diverse climates, from Himalayan reforestation to coastal EV charging.
• Profit + Planet: At least 20% revenue from green products, with proven ROI for investors.

These startups aren't charities—they're generating billions in value while aligning with India's 2070 net-zero pledge. According to recent reports, over 4,750 environment-tech firms now operate in India, with 1,190 funded and raising $13.1 billion collectively.

Why Sustainable Startups Are Booming in India (2024–2025 Stats) 

India's green boom isn't hype—it's data-driven. In 2024, cleantech funding hit $2.18 billion, followed by $1.95 billion in the first 10 months of 2025 alone—a 40% YoY surge despite global VC slowdowns. Why? Urbanization (70% by 2030), air quality crises, and government incentives like Startup India are fueling it.

Key stats:

• Funding Surge: Green startups raised $2.6 billion in 2024, up 43% from 2023.
• Job Creation: 500,000+ green jobs projected by 2025, per NITI Aayog.
• Market Size: India's green economy to hit $500 billion by 2030.
• Investor Shift: VCs like Blume Ventures and Avaana Capital are betting big on EVs and waste tech.

This isn't fleeting—it's India's ticket to global leadership in climate tech.

Top 17 Sustainable Startups in India 2025 

We've curated this list based on 2025 funding rounds, environmental impact (e.g., CO2 reductions), and scalability. Each includes category, HQ, funding, and a 2025 milestone.

Rank	Startup	Category	HQ	Total Funding (2025)	2025 Milestone	Impact Metric
1	Ola Electric	EV Mobility	Bengaluru	$3.7B+	Launched affordable e-scooters for rural markets	1M+ zero-emission rides daily
2	Ather Energy	Electric Scooters	Bengaluru	$500M+	Battery-swapping network in 20 hubs	Reduced urban pollution by 20% in pilots
3	Lohum	Battery Recycling	Greater Noida	$100M+	1 GWh recycling capacity	Recycled 10K+ tons of Li-ion batteries
4	Phool	Waste-to-Fragrance	Kanpur	$10M+	Partnered with 500+ temples for waste collection	Diverted 1M+ kg floral waste from landfills
5	Bambrew	Mycelium Packaging	Gurugram	$7M	Won Zomato Packathon; scaled to 1M units	Replaced 500K+ plastic packages
6	Zypp Electric	EV Logistics	Gurugram	$100M+	50K EV fleet for last-mile delivery	Cut logistics emissions by 30%
7	SolarSquare	Rooftop Solar	Gurugram	$52M	Installed 100 MW across homes	Powered 50K+ households renewably
8	Recykal	Waste Management Platform	Hyderabad	$35.5M	AI sorting in 25 cities	Managed 1M+ tons of waste
9	Alt Mobility	EV Leasing	Mumbai	$50M+	Leased 10K EVs to fleets	Enabled 100M+ km green logistics
10	Log 9 Materials	Advanced Batteries	Bengaluru	$31.7M	Graphene-based EV batteries launched	50% faster charging for 1K+ vehicles
11	ThinkPhi	Green Urban Spaces	Mumbai	$5M+	50+ modular green parks built	Sequestered 10K tons CO2 annually
12	Daily Dump	Home Composting	Bengaluru	$2M+	App-based waste kits in 100 cities	Composted 500K+ tons organic waste
13	Banyan Nation	Plastic Recycling	Hyderabad	$10M+	Upcycled 5M+ kg plastics	Created jobs for 1K+ waste workers
14	Sea6 Energy	Ocean Biomass	Kochi	$27.4M	Seaweed-based biofuels scaled	Produced 1K tons sustainable fuel
15	Yulu	Micromobility	Bengaluru	$124M	100K e-bikes deployed	200M+ short trips emission-free
16	Battery Smart	EV Battery Swapping	Delhi	$45M	1,000+ swap stations	Served 1M+ EV users
17	Nepra Resource Management	Waste-to-Energy	Chennai	$5M+	Expanded to 25 cities	Generated 10 MW from dry waste

1. Ola Electric – EV Mobility (Bengaluru) – $3.7B Funding

Credits: SnapMeUp /Wikipedia

Founded by Bhavish Aggarwal, Ola Electric is India's EV giant, producing scooters that cut urban emissions. In 2025, they hit 1M daily rides, partnering with government for rural charging. Key milestone: Gigafactory output doubled to 10M units.

2. Ather Energy – Electric Scooters (Bengaluru) – $500M Funding

Tarun Mehta's smart scooters feature fast charging. 2025: Battery swaps in 20 hubs, reducing range anxiety. Funded by Hero, it's powering India's two-wheeler shift.

3. Lohum – Battery Recycling (Greater Noida) – $100M Funding

Scaling to 1 GWh capacity in 2025, Lohum recycles Li-ion batteries, closing the EV loop. CEO Arun Mittal's vision: Zero-waste batteries by 2030.

4. Phool – Waste-to-Fragrance (Kanpur) – $10M Funding

Abhay Singh converts temple flowers into incense. 2025: 500+ temple partners, 1M kg waste diverted. Social impact: Employs 1K+ women.

5. Bambrew – Mycelium Packaging (Gurugram) – $7M Funding

Rishav Singh's fungus-based alternatives beat plastic. 2025 Packathon win: Scaled to 1M units for e-commerce.

6. Zypp Electric – EV Logistics (Gurugram) – $100M Funding

Akash Gupta's green deliveries for Swiggy/Zomato. 2025: 50K EV fleet milestone.

7. SolarSquare – Rooftop Solar (Gurugram) – $52M Funding

2025: 100 MW installed, powering 50K homes. Led by Lightspeed.

8. Recykal – Waste Management (Hyderabad) – $35.5M Funding

AI platform connecting recyclers. 2025: 25 cities, 1M tons managed.

9. Alt Mobility – EV Leasing (Mumbai) – $50M Funding

Arun Sreyas's MaaS for fleets. 2025: 10K EVs leased.

10. Log 9 Materials – Advanced Batteries (Bengaluru) – $31.7M Funding

Graphene tech for faster EVs. 2025 launch: 1K vehicles equipped.

11. ThinkPhi – Green Urban Spaces (Mumbai) – $5M Funding

Modular parks sequestering CO2. 2025: 50+ installations.

12. Daily Dump – Home Composting (Bengaluru) – $2M Funding

App kits for households. 2025: 100 cities covered.

13. Banyan Nation – Plastic Recycling (Hyderabad) – $10M Funding

Upcycling for brands like Unilever. 2025: 5M kg processed.

14. Sea6 Energy – Ocean Biomass (Kochi) – $27.4M Funding

Seaweed biofuels. 2025: 1K tons produced.

15. Yulu – Micromobility (Bengaluru) – $124M Funding

E-bikes for short trips. 2025: 100K deployed.

16. Battery Smart – EV Swapping (Delhi) – $45M Funding

1,000+ stations in 2025. Serves 1M users.

17. Nepra Resource Management – Waste-to-Energy (Chennai) – $5M Funding

Dry waste to 10 MW power. 2025: 25 cities.

Success Stories & Case Studies 

Case Study 1: Phool's Circular Magic

From temple waste to $1M revenue: Phool's model employs marginalized women, cutting methane emissions. 2025: Global export deals. Key: B2B sales to ITC for sustainable incense.

Case Study 2: Log 9's Battery Breakthrough

Graphene cells charge 50% faster. $10M 2024 round fueled 2025 pilots with Tata. Impact: Enables 20% more EV range in India's heat.

Emerging Green Startup Trends in India for 2025–2030 

2025 is pivotal—green startups are shifting from pilots to scale. Top trends:

• Circular Economy & Upcycling: Mycelium packaging and plastic-to-fuel; market to $50B by 2030.
• Agritech + Regenerative Farming: AI soil sensors; 30% yield boost without chemicals (e.g., WayCool).
• EV & Clean Mobility: Battery swapping to hit 10K stations; $100B opportunity.
• Plastic Alternatives & Biogas: Seaweed bioplastics; diverting 10M tons waste.
• Carbon Credit & Reforestation Tech: Blockchain platforms; $5B market by 2027.

Pro tip: AI integration (e.g., waste sorting) is the 2025 multiplier—expect 2x efficiency gains.

How to Start Your Own Sustainable Startup in India (Step-by-Step)

Dreaming of your green venture? Here's the 2025 playbook:

1. Validate Idea: Use tools like AnswerThePublic for India-specific pain points (e.g., "solar for rural homes").
2. Incorporate & Register: DPIIT recognition via Startup India—takes 10 days, unlocks tax exemptions.
3. Build MVP: Bootstrap with grants; test in one city (e.g., Bengaluru for tech).
4. Fundraise: Pitch to Avaana or Blume; aim for $500K seed.
5. Scale Sustainably: Partner with corporates (e.g., Tata for EVs); measure ESG metrics.
6. Go Global: Export via Make in India—target EU's green deals.

Cost to launch: ₹10-50 lakhs. Success rate? 3x higher with ESG focus.

Government Schemes & Funding Options in India 2025 

India's government is all-in on green—₹945 Cr disbursed via SISFS since 2021. Top schemes:

• Startup India Seed Fund (SISFS): Up to ₹50 lakhs grants for prototypes.
• Pradhan Mantri Mudra Yojana (PMMY): Collateral-free loans up to ₹10 lakhs for MSEs.
• Stand-Up India: ₹10 lakhs-₹1 Cr loans for women/SC/ST founders.
• SAMRIDH Scheme: ₹40 lakhs for market entry (ISRO/DST backed).
• CGTMSE: Credit guarantees up to ₹5 Cr.
• RKVY-RAFTAAR: Agri-green focus, up to ₹5 Cr.
• Design Clinic Scheme: Subsidies for sustainable product design.

Apply via startupindia.gov.in—90% success for green pitches. Bonus: SIDBI Green Fund for climate tech.

FAQ

1. Which is the fastest-growing sustainable startup in India?

Ola Electric, with 1M+ daily users and $3.7B funding, leads EV growth.

2. How much funding did Indian green startups raise in 2024? 

$2.18 billion, per Tracxn—up 43% YoY.

3. Is sustainable business profitable in India? 

Yes—green startups average 25% higher ROI, with markets like EV at $100B by 2030.

4. Best city for green startups?

Bengaluru (tech hub) or Gurugram (funding access).

5. How to get government grants? 

Register on Startup India; focus on ESG for 80% approval.

Conclusion

India's sustainable startups aren't just surviving—they're thriving, turning challenges into $500B opportunities by 2030. From Ola's EV empire to Phool's waste wizardry, these 18 are proof: Green is the new gold.