India National Mathematical Olympiad

India National Mathematical Olympiad

Mode of ExamOffline
Level of ExamNational Level

Indian National Olympiad (INO) 2021: After Qualifying the National Standard Examination, Students can appear for INO. The examination is conducted by the HBCSE (Homi Bhabha Centre For Science Education).

INO is also the 2nd Stage for International Science Olympiad. Interested applicants need to be enrolled for respective subjects and Exam as shown below.

Subject INO Examination
Astronomy Indian National Astronomy Olympiad (INAO)
Physics Indian National Physics Olympiad (INPO)
Chemistry Indian National Chemistry Olympiad (INCO)
Junior Science Indian National Junior Science Olympiad (INJsO)
Biology Indian National Biology Olympiad (INBO)

We are providing the INO Exam Date which is given as follows. The exam is used to be organized and conducted every year under the supervision of the Homi Bhabha Centre for Science Education (HBCSE), a Nodal organization responsible for conducting the Olympiad Programmes across the Country.

INO 2021 Exam Dates

The Indian National Olympiad will be conducted in the month of January 2021. The main motive of this examination is to innate mathematical problem-solving skills of the applicants participating and thus aims at identifying talent at a young age.

S. No. Events Expected Dates
1 Last date to register for INO exam January 2nd week
2 INO exams February 1st Week
3 Solutions to INO question papers Few days after the exam
4 Last date to receive comments on the solutions February 2nd Week
5 Frozen solutions and INO scores February 3rd Week
6 Last date to receive the requests for re-evaluation February 4th Week
7 Final scores, certificates and OCSC lists March 1st week



Indian National Olympiad (INO) Eligibility Criteria

We are providing here the eligibility criteria for NSEA, NSEB, NSEJS, NSEC, and NSEP.

For Physics, Chemistry, Biology, and Astronomy

  • Candidate must be a resident of India and also he/ She studies in India since Nov 30, 2018 and not completed the class 12th board examination earlier than 30 Nov 2018.
  • Candidate DOB is between July 1, 2001 and June 30, 2006 (both days are included).
  • Must not have Commenced studies in a university or institution before June 1, 2021.
  • Those candidates who will apply for the exam are eligible to hold an Indian Passport. As per the high court order of Madras, OCI students are not eligible for the selection to the Indian team in the international Olympiads. But such candidates are provisionally eligible for selection at all prior stages, up to stage 3 of OCSC providing that they full-fill the other criteria.
  • He/ She must not appear in NSEJS 2020.

For Junior Science

  • He/ She did not appear in any of the exams of NSEA, NSEP, NSEB, NSEC.
  • Candidate must be resident and studying in India since Nov 30, 2018, or earlier OR He/ She studying in an Indian school system since Nov 30, 2018.
  • DOB of the candidate is in between January 1, 2006 and Dec 31, 2007.
  • The applying candidate must be eligible to hold an Indian Here high court order is also the same as to mention above.
  • Not completed his/ her class 10 board examination before November 30, 2020.
  • Regarding the eligibility criteria, it is the self-responsibility of the candidate that he/ she satisfied with the criteria. In any of the cases if a candidate found for not full-filling the eligibility criteria then they will be disqualified from the program.


INO 2021 Exam Syllabus and Pattern.

The syllabus will be the same as the NSE Exam of Respective subject. The tests consist of objective as well as long questions.

Application Start Date :

25th September 2021

Application End Date :

15th October 2021

Exam Date :

30th November 2021

Result Date :
Conducted By :

Homi Bhabha Centre for Science Education (HBCSE)

Official Website :