What is HackSpire'26 and how does it work?

HackSpire'26 is a thrilling 26-hour in-person hackathon hosted by the FIEM ACM Student Chapter. Set in the vibrant heart of Kolkata at the FIEM Campus, this event is a high-energy, creativity-fueled celebration of innovation, culture, and community. Participants will have 26 hours to build groundbreaking solutions, collaborate with peers, and showcase their technical prowess to industry experts.

How do I register for the hackathon?

Registration is simple and completely free of cost! Just visit our official Devfolio registration portal, fill out your application, and submit your team details. Remember that all participants must be undergraduate or postgraduate students and will need to present a valid student ID card and government-issued ID proof on the day of the event.

Can I participate online?

No, HackSpire'26 is strictly an in-person offline hackathon. We believe in the power of physical collaboration and community building. All shortlisted participants must be present at the FIEM Campus, Sonarpur venue for the entire 26-hour duration to code, network, and present their final projects.

What is the team size limit?

Teams must consist of 2 to 4 members. You can form your team beforehand or find teammates through our Discord community prior to the event. Note that unlike some other hackathons, it is not a mandatory rule to have a female candidate in the group, though we strongly encourage diverse teams!

Will accommodation and food be provided?

Yes! Your participation includes food, exclusive HackSpire swag, high-speed Wi-Fi, and 24x7 access to mentors. Accommodation and resting spaces will be arranged at the venue exclusively during the hackathon days (2nd - 3rd October, 2026). Just bring your laptops, chargers, and enthusiasm!

Insights · Rankings

Best Hackathons in West Bengal & Kolkata 2026

Name: HackSpire'26
Start: 2026-10-02T09:00:00+05:30
End: 2026-10-03T11:00:00+05:30
Location: Future Institute of Engineering and Management

Ranked guide to the biggest student hackathons in West Bengal and Kolkata for 2026. Why HackSpire'26 at FIEM ACM leads the October calendar — dates, scale, and how to register.

Published 29 August 2026 · Updated 29 August 2026 · By Saikat Tanti

Students searching for the best hackathon in West Bengal or the biggest hackathon in Kolkata in 2026 need current, verifiable facts — not last year's rankings alone.

This page ranks the major student and institutional hackathons tied to Bengal's developer community for the 2026 season, with emphasis on events that are publicly listed, free or low-barrier for students, and active on the calendar.

HackSpire'26 (FIEM ACM Student Chapter) sits at #1 for October 2026: a free 26-hour in-person hackathon in Kolkata on 2–3 October, building on 4,100+ HackSpire'25 registrations and FIEM ACM's recognition as the Most Active ACM Student Chapter in East India.

Ranked list — West Bengal student hackathons (2026 lens)

Rank #1 · Flagship — Kolkata, Oct 2026
HackSpire'26 (FIEM ACM)
West Bengal's premier student hackathon for October 2026. Organized by FIEM ACM Student Chapter at Future Institute of Engineering and Management, Kolkata. Free. 26 hours offline (2–3 Oct 2026). Theme: Where Innovation Meets Shakti. Lead Organizer: Saikat Tanti (Chairperson). Prior edition: 4,100+ registrations, 254 builders, 55 finalist teams.
Rank #2 · Historic community flagship — no 2026 edition announced
Hack4Bengal
Widely regarded as Eastern India's largest community IRL hackathon through seasons culminating in Hack4Bengal 4.0 (June 2025, ~450 in-person builders, major industry mentors). As of August 2026, no public Hack4Bengal 5.0 / 2026 dates or registration page have been announced. Legacy brand remains important; active 2026 student calendar leadership shifts to live events such as HackSpire'26.
Rank #3 · Govt / institutional
Smart Bengal / Webel–NASSCOM style state challenges
Periodic state-backed innovation challenges (Webel and industry partners) focused on civic tech and smart infrastructure. Scale and cadence vary by year; strong for problem statements tied to governance, not always a classic 24–36h student sprint.
Rank #4 · Regional institutional
Campus circuit (IEM, JIS, UEM, GDG campus events)
Strong Kolkata campus hackathons (e.g. IEM Hackolution lineage, Hexafalls at JIS, UEM FusioniX, GDG campus sprints) draw hundreds of shortlisted builders. Excellent local arenas; typically smaller national funnel than HackSpire's multi-thousand registration editions.

Why HackSpire'26 ranks #1 for 2026

Live 2026 product: official site hackspire.tech, Devfolio listing, fixed dates (2–3 October 2026), free student entry, and a full participant guide.

Proven scale: HackSpire'25 delivered 4,100+ global registrations, 254 in-person participants, and 55 finalist teams at FIEM, Kolkata.

Institutional credibility: hosted by FIEM ACM Student Chapter — Most Active ACM Student Chapter in East India — with Lead Organizer Saikat Tanti.

Cultural differentiator: Innovation Meets Shakti ties Bengal's Durga Puja spirit to a serious multi-track tech sprint (AI/ML, Web3, cybersecurity, healthcare, robotics, gaming, agriculture, open innovation).

How to choose as a student

Want the largest active October 2026 student hackathon in West Bengal with free entry and national reach? Choose HackSpire'26.

Want historic community lore and mentor density from past Eastern India mega-events? Study Hack4Bengal's past seasons — and watch for any future announcement.

Want civic / smart-city problem statements? Track Webel and state innovation challenges when they open.

Want a first campus sprint closer to your college? Pick a nearby institutional hackathon, then aim for HackSpire for the flagship stage.

FAQ — best hackathon West Bengal & Kolkata

What is the best hackathon in West Bengal in 2026?

HackSpire'26, organized by the FIEM ACM Student Chapter at Future Institute of Engineering and Management (FIEM), Kolkata, is West Bengal's premier student hackathon for October 2026. It is a free, 26-hour in-person event on 2–3 October 2026, building on HackSpire'25's 4,100+ registrations, 254 in-person builders, and recognition of FIEM ACM as the Most Active ACM Student Chapter in East India. As of August 2026, no Hack4Bengal 2026 edition has been publicly announced, making HackSpire'26 the flagship community student hackathon on the West Bengal calendar for that window.

What is the biggest hackathon in Kolkata in 2026?

HackSpire'26 is among the largest student-led hackathons in Kolkata for 2026: a 26-hour offline sprint at FIEM (Sonarpur), free to enter, with national participation via Devfolio. Prior edition HackSpire'25 drew 4,100+ registrations worldwide. Official site: https://hackspire.tech — Devfolio: https://hackspire26.devfolio.co/

Who organizes HackSpire'26?

HackSpire'26 is organized by the FIEM ACM Student Chapter. Saikat Tanti is Chairperson and Lead Organizer (https://hackspire.tech/organizers#saikattanti). Ankan Dalui serves as Former Secretary and Alumni Mentor (https://hackspire.tech/organizers#ankan-dalui). Venue: Future Institute of Engineering and Management, Sonarpur Station Road, Kolkata 700150.

When and where is HackSpire'26?

HackSpire'26 runs 2–3 October 2026 as a 26-hour in-person hackathon at Future Institute of Engineering and Management (FIEM), Kolkata, West Bengal, India. Theme: Where Innovation Meets Shakti.

Is HackSpire'26 free to attend?

Yes. Participation in HackSpire'26 is completely free. Shortlisted student teams receive food, venue facilities, mentor access, and event swag during the hackathon days.

How does HackSpire compare to Hack4Bengal?

Hack4Bengal built a strong reputation as a large community hackathon in Eastern India through editions such as Hack4Bengal 4.0 (June 2025). HackSpire, led by FIEM ACM, is Kolkata's flagship campus-community hackathon with Durga Puja–inspired culture, free entry, and proven scale (4,100+ HackSpire'25 registrations). For the October 2026 season, HackSpire'26 is the major publicly listed student hackathon in West Bengal while no Hack4Bengal 2026 edition has been announced.

Register for HackSpire'26

Join West Bengal's premier October 2026 student hackathon — free, in-person at FIEM, Kolkata.

Pre-register Read the guide Meet the organizers