iMaven Astronomy Olympiad - Open Scholars 2025 

For All Nationals. Anyone can apply globally.

Participants – UGs/Graduates (Any Discipline)

iMAO-OS (FOR 2025-26 SESSION)

LANGUAGE – ENGLISH ONLY

PARTICIPATION FEE – 

Indian Nationals: INR 500 (One Time Fee Only)

All Other Nationals: USD 50 (One Time Fee Only)

iMAO Mains 2025

iMAO-2025 Mains will be organized in two phases. Participants have to apply once only and they can sit in one or both the phases. Merit for qualifying to  Advanced Level will be prepared on the basis of best score of mains.

Phase 1 Exam: 10 – 24 August 2025 (In Batches)
Phase 1 Result: 31 August 2025

Phase 2 Exam: 09 – 23 November 2025 (In Batches)
Phase 2 Result: 14 December 2025

Qualification Status for iMAO Advanced will be announced along with Phase 2 result.

iMAO Advanced 2025

iMAO-2025 Advanced will be organized in one phase only. Participants whop have qualified, will have only one chance to attempt the exam.

Advanced Exam: 18 -25 January 2026

Advanced Result: 8 – 15 February  2026