{"id":295070,"date":"2026-01-27T18:48:00","date_gmt":"2026-01-27T13:18:00","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=295070"},"modified":"2026-01-30T16:14:40","modified_gmt":"2026-01-30T10:44:40","slug":"indian-national-olympiad-2026-exam-details","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/indian-national-olympiad-2026-exam-details\/","title":{"rendered":"INO Olympiad 2026 Exam : Complete Guide"},"content":{"rendered":"

If you wish to qualify for the Indian National Olympiad 2026 exam, staying updated with every element of the exam is required. From the application procedure and eligibility to exam pattern, syllabus, and Important dates, this blog covers all important information in one place to make your INO 2026 preparation smooth.<\/span><\/p>\n

About INO Exam 2026\u00a0<\/span><\/h2>\n

INO Full Form Stands for Indian National Olympiad. The Indian National Olympiad, organized by HBCSE, is held every year for school-level students who aim to compete for different international Olympiads such as the\u00a0 IPhO (International Physics Olympiad), the IChO (International Chemistry Olympiad), the IBO(International Biology Olympiad), and the International Astronomy Olympiad (IAO) in the field of science. INO is the 2nd Stage exam of the national selection process. The INO exam 2026<\/strong><\/a> will be held on Jan 31, 2026 and Feb 1, 2026.<\/span><\/p>\n

Indian National Olympiad Registration Date<\/span><\/h2>\n

INO examination, Last enrollment date is January 17, 2026<\/strong>. INO exam 2026 registration is now closed. Registration is mandatory for all to appear for the INO Olympiad 2026.<\/span><\/p>\n

Without successful registration, candidates will not be eligible to participate in any stage of the Olympiad selection process.<\/span><\/p>\n

INO 2026 Important tentative dates for students who appear for the examination<\/span><\/h2>\n\n\n\n\n\n\n\n\n\n\n
Registration for INO 2026<\/strong><\/td>\nJan 06-17, 2026<\/strong><\/td>\n<\/tr>\n
Hall Tickets download<\/strong><\/td>\nJan 23, 2026<\/strong><\/td>\n<\/tr>\n
INO exam<\/strong><\/td>\nJan 31-Feb 01, 2026<\/strong><\/td>\n<\/tr>\n
Question papers and provisional solutions on the HBCSE website:<\/strong><\/td>\nFeb\u00a0 03, 2026<\/strong><\/td>\n<\/tr>\n
Comments on provisional solutions:<\/strong><\/td>\nFeb 03-08, 2026<\/strong><\/td>\n<\/tr>\n
INO marks and frozen solutions on the HBCSE website:<\/strong><\/td>\nFeb\u00a0 21, 2026<\/strong><\/td>\n<\/tr>\n
Reevaluation request:<\/strong><\/td>\nFeb\u00a0 21-26, 2026<\/strong><\/td>\n<\/tr>\n
INO final results and OCSC lists:<\/strong><\/td>\nMarch 06, 2026<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Tentative Exam Date Schedule For INO 2026<\/strong><\/h2>\n\n\n\n\n\n\n\n
Astronomy (INAO):<\/strong><\/td>\nSaturday, Jan 31, 2026<\/strong><\/td>\n09.00 a.m. \u2013 12.00 noon<\/strong><\/td>\n<\/tr>\n
Chemistry (INChO):<\/strong><\/td>\nSaturday, Jan 31, 2026<\/strong><\/td>\n01.30 p.m. \u2013 04.30 p.m<\/strong><\/td>\n<\/tr>\n
Junior Science (INJSO)**<\/strong><\/td>\nSunday, Feb 01, 2026<\/strong><\/td>\n09.00 a.m. \u2013 12.00 noon<\/strong><\/td>\n<\/tr>\n
Physics (INPhO):<\/strong><\/td>\nSunday, Feb 01, 2026<\/strong><\/td>\n09.00 a.m. \u2013 12.00 noon<\/strong><\/td>\n<\/tr>\n
Biology (INBO):<\/strong><\/td>\nSunday, Feb 01, 2026<\/strong><\/td>\n01.30 p.m. \u2013 03.30 p.m.<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Note:<\/strong> Candidates without a valid<\/span> INO Admit card<\/span><\/a> \/ Hall Ticket 2026 will not be allowed to appear for the exam.<\/span><\/p>\n

Eligibility Criteria for INO exam 2026<\/span><\/h2>\n

Students must follow the INO Exam official guidelines by HBCSE<\/span><\/p>\n

    \n
  1. Students must have qualified in the National Standard Examination (NSE) in the respective subject (Physics, Chemistry, Biology, Astronomy, or Junior Science) held in November 2025.<\/span><\/li>\n
  2. Candidates must be born on or after July 1, 2006.<\/span><\/li>\n
  3. Only Indian citizens or students living in India for at least the last 5 years are eligible to participate.<\/span><\/li>\n
  4. Students who have previously participated in the Indian National Olympiad or have been selected for training camps in the past are eligible, but there are specific restrictions based on the number of attempts allowed.<\/span><\/li>\n
  5. Candidates must be studying in Class 12 or lower. Students who have already appeared for Class 12 exams or are currently in Class 12 are eligible to participate.<\/span><\/li>\n<\/ol>\n

    Exam Pattern For INO 2026<\/span><\/h2>\n\n\n\n\n\n
    Duration<\/span><\/td>\nEach Subject exam is of 3 hours<\/span><\/td>\n<\/tr>\n
    Type of Questions<\/span><\/td>\nmultiple-choice questions (MCQs), short-answer questions, and problem-solving questions<\/span><\/td>\n<\/tr>\n
    Difficulty Level<\/span><\/td>\nMain Focus on conceptual learning, theoretical understanding, and practical application.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Expected Subject-Wise INO Exam Pattern<\/strong><\/h2>\n\n\n\n\n\n\n\n\n
    \n

    Subjects<\/b><\/h3>\n<\/td>\n

    		\n

    Paper Pattern<\/b><\/h3>\n<\/td>\n<\/tr>\n

    Astronomy (INAO)<\/strong><\/td>\nastronomy and astrophysics, including celestial mechanics, star evolution, and observational astronomy.<\/span><\/p>\n

    Questions often require graph analysis and mathematical calculations.<\/span><\/td>\n<\/tr>\n

    Chemistry (INChO)<\/strong><\/td>\nConceptual and application-based questions in physical, organic, and inorganic chemistry.<\/span><\/td>\n<\/tr>\n
    Junior Science (INJSO)<\/strong><\/td>\nMultidisciplinary exam combining Physics, Chemistry, and Biology.<\/span><\/td>\n<\/tr>\n
    Physics (INPhO)<\/strong><\/td>\nproblem-solving and derivation-based questions on advanced theoretical problems in topics such as mechanics, electromagnetism, thermodynamics, and quantum physics.<\/span><\/td>\n<\/tr>\n
    Biology (INBO)<\/strong><\/td>\nCell biology, genetics, physiology, ecology, and evolutionary biology are Important Topic are covered in INO exam<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Syllabus For INO 2026 Examination<\/span><\/h2>\n

    Topics mainly based on CBSE Class 11 and 12 curricula for Physics, Chemistry, Biology, and Astronomy, and Class 10 for Junior Science.<\/span><\/p>\n

    Astronomy\u00a0<\/span><\/h3>\n