INMO 2026, Registration Link, Syllabus, Exam Date, Stages

INMO 2026: The Indian National Mathematical Olympiad (INMO) is a mathematics competition held in India which is the third step in International Mathematical Olympiad organized by HBCSE.

The Indian National Olympiad is an annual mathematics competition for high school students held in India. The Indian National Mathematical Olympiad (INMO) is the third stage for the top students who took the Regional Mathematical Olympiad. The INMO takes place nationwide on the third Sunday of January month i.e. on 18th January 2026.

The INMO exam attracts thousands of students from all over the country, but only 30 candidates are selected. Here we have shared everything you need to know about the INMO 2026 registration process, important dates, eligibility criteria, and more.

How to Prepare for INMO

INMO Full Form

The INMO 2026 is going to be commenced on 18th January 2026 (Sunday). The goal of the Indian National Mathematical Olympiad is to bring secondary and higher secondary students together in a common competitive arena to showcase their passion and proficiency in Mathematics.

INMO Exam Benefits & Perks

• Challenge: INMO offers challenging math tasks and provides conceptual builidng. It helps develop critical thinking and problem solving skills, engaging with problems like this deepens our understanding of math concepts that go beyond the curriculum.
• Acknowledgment: Success at INMO by achieving qualification levels or winning awards will bring recognition to the academic community and beyond. It can open doors to opportunities such as scholarships, internships and university competitions. Preparation for international competitions: INMO serves as a resource for students who wish to compete internationally, such as the International Mathematical Olympiad (IMO). Participating in INMO provides valuable experience and exposure to all types of challenges in international competitions.
• Networking and collaboration: INMO brings together like-minded people who are interested in mathematics. Participants can exchange ideas, collaborate on problem-solving approaches, and build lasting relationships with peers and leaders.
• Personal Growth: Overcoming challenges and achieving success in INMO increases confidence and self-esteem. It helps in personal growth.
• Career opportunities: Passing mathematics competitions like INMO will increase the growth of professions like mathematics, computer science, engineering, finance and research, where analytical skills and problem solving is highly valued.

INMO 2026 Overview

INMO 2026 Registration

INMO Exam Eligibility Criteria

• From grades 8, 9, 10, and 11, a maximum of 28 students, and from grade 12 a maximum of 6 students are selected to participate in the HBCSE INMO in each region.

• When there is a tie between the scores of two candidates, The Pre-Regional math Olympiad (Pre RMO) score will be considered as the tie-breaker. In a case where even the Pre RMO score fails to break the score, the final list submitted to the HBCSE will consider all the candidates.

• Additionally, five additional girls are selected (Only girl students from grades 8, 9, 10, and 11) excluding the candidates for each region.

• A minimum of five students from the Non-Kendriya Vidyalaya (KV) CBSE schools outside India and a maximum of five students studying in the KV schools outside India may be chosen to appear for the INMO 2026 examination directly. The selection of the students is mainly done by the authorities of the CBSE and KVS.

• 28 students were selected from each region and allowed to sit for the INMO examination and usually the INMO examination is held in the month of February but due to the covid crisis in our country, the official dates are not yet announced. A total of 30 candidates qualify for the INMO 2026 examination out of the 500 candidates. The 30 qualified candidates are then sent to the month-long training at the HBCSE to prepare for the International Math Olympiad.

• After the training camp is concluded, only the best six candidates are chosen to represent our country for the International Math Olympiad(IMO).

INMO 2026 Selection Criteria

INMO 2026 Exam Date Out

INMO 2026 Exam Pattern

INMO 2026 Syllabus

• Arithmetic of Integers
• Geometry
• Quadratic Equations & Expressions
• Trigonometry
• Coordinate Geometry
• System of Linear Equations
• Permutations & Combinations
• Inequalities
• Elementary Combinatorics
• Probability Theory
• Number Theory
• Finite Series & Complex Numbers
• Elementary Graph Theory
• Factorisation of Polynomials

INMO Previous Year Question Paper

You can access the INMO Previous Year Question Paper along with their solutions, which are prepared by the Faculty to act as a helping hand. 
These INMO Past Year Papers are valuable for understanding the exam pattern, difficulty level, and types of problems asked, which cover topics such as algebra, number theory, geometry, combinatorics, and more.

INMO 2026 Result