chhelu
Build something real in two weeks — solo or with a team.
- Organizer
- Hack4Hack
- Type
- Hackathon
- Mode
- Online
- Registration
- 3 Oct 2026 – 17 Oct 2026
- Submissions
- 10 Oct 2026 – 24 Oct 2026
- Entry fee
- Free
- Participation
- Solo or teams of 1–4
- Eligibility
- Everyone
- Themes
- Open Innovation
- Status
- Registration closes 17 Oct 2026
About
chhelu is an open-innovation hackathon on Hack4Hack.
Pick any problem you care about, build a working prototype, and submit it before the deadline. Solo builders and teams of up to four are welcome.
Perks
- Certificate for every team that submits
Timeline
- Registration & team formation (3 Oct 2026 – 17 Oct 2026): Register solo or create a team and invite teammates.
- Build & submit (10 Oct 2026 – 24 Oct 2026): Build your prototype and submit it from your team workspace.
- Results (24 Oct 2026 – 27 Oct 2026): Winners are announced on the hackathon page.
Rules
- Teams of 1 to 4 members.
- All work must be built during the hackathon.
- Use of open-source libraries and AI tools is allowed � disclose them in your submission.
- Follow the Hack4Hack code of conduct.
Frequently asked questions
Is it free?
Yes, participation is free.
Can I participate alone?
Yes, solo entries are welcome.