INChO 2026: Registration (Ongoing), Exam Date, Eligibility, Syllabus, Exam Pattern

InChO 2026: INO Exam 2026 registration has commenced for NSE 2025 qualifiers, including INChO 2026, running from January 6 to 17, 2026 via secure.hbcse.tifr.res.in/ino using NSE roll number, DOB, and email. The Homi Bhabha Centre for Science Education (HBCSE) organizes this stage of Indian National Olympiads in Physics, Chemistry, Biology, Astronomy, and Junior Science, with INChO exam on February 1, 2026, from 13:30 to 16:30. Qualifiers select exam centers during registration, but changes are not permitted post-deadline, leading to Orientation-Cum-Selection Camps (OCSC). Top performers advance to International Olympiads, making timely registration essential for chemistry enthusiasts.​

InChO 2026 Key Dates and Registration

Keeping track of important dates is crucial for any competitive examination, and the upcoming Indian National Chemistry Olympiad (InChO) 2026 is no exception.

InChO 2026 Eligibility

To partake in the demanding InChO 2026, candidates must fulfill a set of specific eligibility criteria that ensure a fair and competitive environment. 

• Nationality: Candidates must hold an Indian passport.

• Age: Applicants must be born between July 1, 2005, and June 30, 2010.

• Educational Status: Participants must be studying and residing in India, without being enrolled in any degree program.

• Qualification: A prerequisite for InChO is clearing the current year’s National Standard Examination in Chemistry (NSEC).

• Restriction: Students cannot appear for NSEJS (Junior Science) in the same academic year.

• Academic Status: Candidates must not have completed their Class 12 board examinations before the InChO date.

• Class: Eligible students are typically in Class 11 or 12, and must not have joined college or university.

InChO 2026 Syllabus

The InChO syllabus extends beyond conventional school curricula, delving into advanced topics designed to assess a deep understanding of chemical principles.

Syllabus breakdown:

• Physical Chemistry: Encompasses atomic structure, chemical bonding, equilibrium, thermodynamics, kinetics, electrochemistry, solutions, solid state, and surface chemistry.

• Inorganic Chemistry: Covers the periodic table, p-block, d & f-block elements, coordination compounds, and metallurgy.

• Organic Chemistry: Explores reaction mechanisms, nomenclature, isomerism, hydrocarbons, carbonyls, aromatics, biomolecules, polymers, alkanes/alkenes/alkynes, alcohols, carbonyls, amines, and environmental chemistry.

• Analytical & Practical Chemistry: Includes titration, gravimetry, qualitative, and instrumental analysis.

InChO 2026 Exam Pattern

The InChO 2026 exam pattern focuses on a descriptive format, requiring students to articulate their knowledge and problem-solving methodologies with clarity and precision.

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