All of India · online and on campus
5 Climate & sustainability hackathons in India
Sorted by how long you have left to apply. 21 open now, 13 closing this week, biggest published pool ₹2L.
5 hackathons
4 still open for registration · deadline first, then start date · all times IST
Capture The Flag | IIT Kanpur
- Where
- Kalyanpur
- Team size
- 1–2 per team
Hack-a-Sol 5.0
- Where
- Raipur
- Team size
- 2–4 per team
DataNyx'26
- Where
- Hyderabad
- Team size
- 2–4 per team
Hacknova'27 2.0
- Where
- Kharghar
- Team size
- 2–4 per team
Solve - a - Thon | National Hackathon
- Where
- Dehradun
- Team size
- 3–5 per team
Answers
Climate & sustainability hackathons in India, in one paragraph
4 climate & sustainability hackathons are open for registration in India right now, 3 of them closing this week. The next deadline is Capture The Flag | IIT Kanpur on Saturday 14 November (1 day left to apply). 0 run online and 5 in person, mostly in Kalyanpur, Raipur and Hyderabad. 5 of the 5 publish a prize pool, the largest ₹1.2L.
- 1Capture The Flag | IIT Kanpur
1 day left to apply · starts Sat 14 Nov IST
₹50,000 · 1–2 per team · Kalyanpur
- 2
- 3
- 4
- 5Solve - a - Thon | National Hackathon
Registration closed · starts Sat 28 Nov IST
₹51,000 · 3–5 per team · Dehradun
Frequently asked
- How many climate & sustainability hackathons in India are open for registration right now?
- 4 of the 5 upcoming climate & sustainability hackathons listed in India are still open for registration: 3 close within 7 days and 4 within 30 days. The very next one to close is Capture The Flag | IIT Kanpur, on 14 November 2026.
- Which climate & sustainability hackathons in India have the biggest prize pools?
- 5 of the 5 listed climate & sustainability hackathons publish a prize pool, the largest ₹1.2L.
- Are there online climate & sustainability hackathons I can join from anywhere in India?
- 0 of the 5 run online and can be entered from anywhere in India; 5 need you on site, most often in Kalyanpur (1), Raipur (1) and Hyderabad (1). 5 say in their own description that students may enter.
- How do I register for a hackathon listed here?
- Every listing here links back to the organizer's registration page — Devpost, Luma and Unstop — and registration happens there, not on Jamao. Nothing is behind a login and no listing is paid placement. Running one? Claim your listing from its page, or add it free at jamao.in/create, and it stops being overwritten by the import.
Counted from the 5 upcoming climate & sustainability hackathons listed on this page. Rebuilt twice a day from Devpost, Luma, Unstop. All times IST.
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By theme
Hackathons by city
National and online hackathons show on every city page too — that is what 8 of these 24 listings are.
Where this comes from
Public listings on Devpost, Luma, Unstop, re-read twice a day. Registration always happens on the organizer's own page; Jamao never stands between you and it.
Running a hackathon? List it free or claim your listing from its page and we stop rewriting it.