All of India · online and on campus

2 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.

2 hackathons

2 still open for registration · deadline first, then start date · all times IST

Answers

Climate & sustainability hackathons in India, in one paragraph

2 climate & sustainability hackathons are open for registration in India right now, 1 of them closing this week. The next deadline is Green Shift Hacks on Tuesday 17 November (5 days left to apply). 2 run online and 0 in person. 2 of the 2 publish a prize pool, the largest ₹22,500.

  1. 1
    Green Shift Hacks

    5 days left to apply · starts Sun 18 Oct IST

    $125 · team size not published · online

  2. 2
    CTF - Capture The Flag

    18 days left to apply · starts Wed 6 Jan IST

    ₹22,500 · 1–2 per team · online

Frequently asked

How many climate & sustainability hackathons in India are open for registration right now?
2 of the 2 upcoming climate & sustainability hackathons listed in India are still open for registration: 1 close within 7 days and 2 within 30 days. The very next one to close is Green Shift Hacks, on 17 November 2026.
Which climate & sustainability hackathons in India have the biggest prize pools?
2 of the 2 listed climate & sustainability hackathons publish a prize pool, the largest ₹22,500. 1 of those is quoted in a currency other than the rupee; the card shows the organizer's own figure and the rupee value is only used to sort them into prize bands.
Are there online climate & sustainability hackathons I can join from anywhere in India?
2 of the 2 run online and can be entered from anywhere in India; 0 need you on site. 0 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 2 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.