Is Bharatiya Antariksh Hackathon 2026 (BAH 2026) still open for registration?

No. Registration and idea submission ran from June 10 to July 1, 2026, and the grand finale was held August 6-7, 2026 at ISRO. If you're reading this now, that window is closed. ISRO has run BAH every year since 2024, timed to lead into National Space Day on August 23, so expect a fourth edition to open around mid 2027 with a similar registration-to-finale cycle.

Who organizes the Bharatiya Antariksh Hackathon, and who can participate?

ISRO runs BAH as a flagship outreach initiative, with the innovation platform Hack2skill handling registration and event logistics. It's open only to undergraduate, postgraduate, and PhD students or research scholars enrolled in a recognised Indian institution. Working professionals cannot enter. Teams need 3 to 4 members, and members can come from different colleges.

What kind of problems do teams actually solve at BAH?

BAH 2026 had 15 problem statements spanning five areas: Geospatial Domain, Space Science, Image Processing, AI/ML, and Cybersecurity. Past examples include building a digital twin of India's climate, mining Chandrayaan-2 radar data for subsurface lunar ice, and satellite-driven work on urban heat, air quality, and crop type detection. These aren't toy prompts, they use real ISRO datasets and mission-relevant questions.

Is there a cash prize for winning BAH?

Public reporting on BAH 2026 doesn't point to a headline cash prize the way many corporate hackathons do. What's confirmed instead is mentorship from ISRO scientists and researchers during the process, a shot at the grand finale in front of ISRO evaluators, and consideration for an internship with ISRO for standout teams. If you're chasing prize money specifically, this isn't that kind of hackathon.

How competitive is BAH, realistically?

Very. BAH 2026 drew more than 1,00,000 registered students and 15,104 team submissions, and only 34 teams were shortlisted for the in-person grand finale. That's roughly a 1-in-440 shot at the finale stage, so treat your submitted proposal, not just your final build, as the part that actually decides whether you advance.

Bharatiya Antariksh Hackathon 2026: What ISRO's Space Hackathon Actually Involved

If you searched "bhartiya antariksh hackathon 2026" hoping to still sign up, here's the direct answer: that window closed back in July, and the whole thing already wrapped up in August. That's not a reason to stop reading, though. Knowing exactly what BAH 2026 involved, who ran it, and how it's structured tells you whether it's worth clearing your calendar for when ISRO opens the next edition, and given how selective this one turned out to be, a little preparation ahead of time genuinely matters here.

What BAH actually is

Bharatiya Antariksh Hackathon (BAH) is ISRO's own national hackathon, not a corporate-sponsored event that merely uses ISRO's name. It's a flagship outreach initiative meant to pull student talent into space-tech problem solving, and ISRO partners with the innovation platform Hack2skill to handle registration, the online submission portal, and event operations. The 2026 edition was the third one, following a first run in 2024 (launched by then ISRO Chairman Dr. S Somanath on July 4, with 12 problem statements) and a second in 2025. Each year lands in the run-up to National Space Day on August 23, which is why the whole cycle, from launch to grand finale, tends to sit between June and early August.

Timeline: what already happened

June 10, 2026: BAH 2026 launched, registration and idea submission opened through the Hack2skill portal.
June 15-16, 2026: ISRO ran two explainer sessions walking teams through the problem statements before they committed to one.
July 1, 2026: Registration and submissions closed.
July 20-21, 2026: ISRO announced the shortlisted teams, followed by an induction session for finalists the next day.
August 6-7, 2026: The grand finale, a 30-hour live build at ISRO, where the top 34 teams presented in person.

If you're reading this after that, all of the above is settled history. ISRO has kept the cadence going for three years straight now, so the reasonable bet is a BAH 2027 launch around June, with problem statements dropping alongside it.

Who could apply

Eligibility was narrower than a lot of open-entry student hackathons. You had to be an undergraduate, postgraduate, or PhD student or research scholar currently enrolled at a recognised Indian institution, working professionals were excluded outright. Teams needed 3 to 4 members, and unlike some campus-only events, those members didn't have to be from the same college. Entry was free, and at the registration stage nobody was expected to have working code yet, just a solution proposal against one of the published problem statements.

The 15 problem statements, across five domains

BAH 2026 published 15 problem statements grouped into five areas: Geospatial Domain, Space Science, Image Processing, AI/ML, and Cybersecurity. These weren't generic "build an app" prompts. Reported examples include building a digital twin of India's climate using satellite data, mining Chandrayaan-2 radar data to study subsurface ice near the Moon's south pole, and satellite-driven work on urban heat mapping, air quality index estimation, road extraction, and crop type detection. Cybersecurity showing up as its own track is new for the space-hackathon format, and worth noting if that's more your area than remote sensing or planetary science.

What was actually at stake

Don't go in expecting a headline cash prize, because nothing in ISRO's own materials or the coverage around BAH 2026 points to one. What you do get: direct mentorship from ISRO scientists and researchers while you build, a presentation slot in front of ISRO evaluators at the grand finale, and for standout teams, consideration for an internship with ISRO. For a student trying to break into the space sector specifically, that last point can matter more than a cash prize would.

Just how selective this was

More than 1,00,000 students registered for BAH 2026, and 15,104 teams actually submitted a proposal. Out of those, ISRO shortlisted just 34 teams for the grand finale. Do the math and that's roughly a 1-in-440 shot at making the in-person stage. Practically, that means your written proposal at the submission stage is doing most of the work, since that's the filter that eliminates over 99% of entrants before anyone builds anything at the finale.

If you're aiming for the 2027 edition

Two things worth doing now if this is on your radar for next year. First, since BAH runs on a fixed annual rhythm tied to National Space Day, put a reminder for early June 2027 so you're not finding out about registration a week before it closes. Second, given how much the selection hinges on the written proposal rather than a finished build, spend real time picking a problem statement that matches something your team can actually reason about with public data (Bhuvan, Chandrayaan datasets, MOSDAC) rather than picking whichever one sounds most impressive.

Sources for this page: ISRO's official grand finale announcement, the Hack2skill BAH 2026 event page, ISRO's launch announcement on X, and coverage from BusinessToday and Internshala on eligibility and the application process. The exact prize structure and full list of all 15 problem statement titles weren't consistently published across sources, so they're left out here rather than guessed at.

FAQ

Is Bharatiya Antariksh Hackathon 2026 (BAH 2026) still open for registration?: No. Registration and idea submission ran from June 10 to July 1, 2026, and the grand finale was held August 6-7, 2026 at ISRO. If you're reading this now, that window is closed. ISRO has run BAH every year since 2024, timed to lead into National Space Day on August 23, so expect a fourth edition to open around mid 2027 with a similar registration-to-finale cycle.
Who organizes the Bharatiya Antariksh Hackathon, and who can participate?: ISRO runs BAH as a flagship outreach initiative, with the innovation platform Hack2skill handling registration and event logistics. It's open only to undergraduate, postgraduate, and PhD students or research scholars enrolled in a recognised Indian institution. Working professionals cannot enter. Teams need 3 to 4 members, and members can come from different colleges.
What kind of problems do teams actually solve at BAH?: BAH 2026 had 15 problem statements spanning five areas: Geospatial Domain, Space Science, Image Processing, AI/ML, and Cybersecurity. Past examples include building a digital twin of India's climate, mining Chandrayaan-2 radar data for subsurface lunar ice, and satellite-driven work on urban heat, air quality, and crop type detection. These aren't toy prompts, they use real ISRO datasets and mission-relevant questions.
Is there a cash prize for winning BAH?: Public reporting on BAH 2026 doesn't point to a headline cash prize the way many corporate hackathons do. What's confirmed instead is mentorship from ISRO scientists and researchers during the process, a shot at the grand finale in front of ISRO evaluators, and consideration for an internship with ISRO for standout teams. If you're chasing prize money specifically, this isn't that kind of hackathon.
How competitive is BAH, realistically?: Very. BAH 2026 drew more than 1,00,000 registered students and 15,104 team submissions, and only 34 teams were shortlisted for the in-person grand finale. That's roughly a 1-in-440 shot at the finale stage, so treat your submitted proposal, not just your final build, as the part that actually decides whether you advance.