• Registration fees for Indian Computing Olympiad 2023 (ICO-2023), INR 472, inclusive of GST.

Terms and Conditions

  1. Only students enrolled in school during the academic year 2022–2023 can enroll for ICO-2023. The first round consists of the Zonal Informatics Olympiad (ZIO-2023).

  2. Students qualify through ZIO-2023 for the second round, the Indian National Olympiad in Informatics (INOI-2020).

  3. Registration is online. Registered students who have paid the fee will receive hall tickets to write ZIO-2023. Entry to the examination hall will be permitted only to students with valid hall tickets.

  4. IARCS reserves the right to reschedule ZIO-2023 and INOI-2023 under extenuating circumstances.

Privacy Policy

IARCS collects personal details, including contact information, as part of the registration process. This is used to announce the names of candidates who have qualified for subsequent rounds on the IARCS website and notify successful candidates by email/post. IARCS reserves the right to share these details with academic institutions and other organizations promoting competitive programming.

Refunds and Cancellations

Registration fees for ICO-2023 are not refundable.

Contact Us

For any enquiries concerning the Indian Computing Olympiad, please write to Prof. Madhavan Mukund, National Coordinator, at

Copyright (c) IARCS 2003-2024;   Last Updated: 11 November, 2022