Indian National Earth Science Olympiad (INESO) - Pathway to IESO
by Geological Society of India (GSI)
₹5,000 Cash Prize
A national-level competition for Indian students in Grades 9-12, fostering interest in Earth Sciences and selecting India's team for the International Earth Science Olympiad (IESO).
Mode
In-Person
Fee
₹200
Participation format
Individual
Duration
The National Level Entrance Test is 90 minutes. The subsequent Training Camp is approximately 3 weeks, followed by a 1-week Pre-Departure Training Camp.
Eligibility
This competition is open to Indian nationals studying in Grades 9 to 12. Participants must be 18 years of age or younger as of July 1st of the Olympiad year and should not be enrolled in any university or college program. Students who have previously won a medal at the International Earth Science Olympiad (IESO) are not eligible to participate again.
- Grade level
- Grade 9 to 12
- Age range
- 13 to 18 years
- Eligibility region
- Available nationwide across India
- Academic requirement
- Students currently enrolled in secondary or higher secondary school (Grades 9-12) with a strong interest in Earth Sciences. Applicants must not be university or college students.
- Prerequisites
- Strong foundational knowledge in science subjects (Physics, Chemistry, Biology) as they relate to Earth Systems.
- A genuine interest in Earth Sciences and environmental issues.
See if your child qualifies.
Rewards and recognition
Award
₹5,000 Cash Prize
A cash prize of ₹5,000 is awarded to each of the top four students selected to represent India at the International Earth Science Olympiad (IESO).
Prizes
Win International Medals
Students representing India at the International Earth Science Olympiad (IESO) have the opportunity to win gold, silver, and bronze medals, a highly prestigious academic achievement.
Certificate
Certificate of Achievement
All students attending the national training camp receive a participation certificate. The top four students selected for the IESO team are awarded a special certificate of achievement.
Recognized by
Opens doors to
Participation and winning medals in an international Olympiad like IESO provides a significant advantage in admissions to top Indian universities, showcasing exceptional scientific talent and dedication.
Career pathways
Participation significantly enhances prospects for higher education and careers in Earth Sciences, Environmental Science, Geology, Geophysics, Oceanography, Meteorology, Climate Science, and related STEM fields. It provides a strong foundation for research and academic pursuits.
Recognition
Represent India Internationally
Skills your child builds
Key dates
Last edition
- Registration opened
- 10 Nov 2025
- Registration closed
- 12 Jan 2026
- Competition
- 24 Jan 2026
- Results
- 28 Feb 2026
How to apply
- 1Register online through the official INESO website (geosocindia.org/ieso) or designated regional centers. Schools can also register their students.
- 2Provide accurate personal and academic details, including a valid school ID.
- 3Pay the nominal registration fee online via the specified payment gateway.
- 4Upon successful registration, receive a unique roll number and detailed instructions for the preliminary round (Entrance Test).
Rules and guidelines
- Strict adherence to eligibility criteria.
- No mobile phones allowed in the examination hall.
- Confidentiality of question papers must be maintained.
- Strict adherence to all stated eligibility criteria is mandatory.
- Maintaining the confidentiality of question papers and examination content is crucial.
- Any form of malpractice will lead to immediate disqualification.
Technology requirements
- Access to a computer with internet for online registration and accessing study materials.
- No specific technology required during the offline examination, but a basic calculator might be allowed (check specific exam guidelines).
Fees and financial support
Fee details
₹200 (boys), ₹100 (girls), ₹0 for JNV students. There are no fees for subsequent stages, including the Training Camp, Pre-Departure Training Camp, and participation in the International Earth Science Olympiad (IESO).
Refund policy
Details regarding the refund policy for the initial registration fee are typically provided on the official INESO website during the application period. Generally, registration fees are non-refundable once paid.
About this opportunity
The Indian National Earth Science Olympiad (INESO) is an annual and highly esteemed competition organized by the Geological Society of India (GSI) with significant support from the Ministry of Earth Sciences (MoES), Government of India. This Olympiad is meticulously designed to ignite and cultivate a deep interest in Earth Sciences among secondary and higher secondary school students across India.
Serving as the crucial national selection process for the International Earth Science Olympiad (IESO), INESO offers a unique and unparalleled platform for talented young minds to represent India on a global stage. The competition comprehensively covers diverse disciplines within Earth Sciences, including geology, geophysics, meteorology, oceanography, terrestrial astronomy, and environmental science.
Beyond identifying and nurturing exceptional scientific talent, INESO is dedicated to raising awareness about pressing global challenges such as climate change, sustainable resource management, and natural disasters. It actively encourages students to delve into these vital fields, fostering scientific curiosity, critical thinking, and advanced problem-solving skills.
The program emphasizes a holistic, interdisciplinary approach, highlighting the intricate interconnections among Earth's various systems. Furthermore, INESO promotes international cooperation and invaluable cultural exchange among young learners, preparing them to become future leaders in Earth Science.
Exam format
- Total marks
- 100
- Duration
- 90 minutes
- Format
- Objective type questions (Multiple Choice Questions)
- Language
- English
Rounds and format
Stage 1: National Level Entrance Test (ET) - Initial screening. Stage 2: Training Camp and Indian National Earth Science Olympiad (INESO) - Intensive three-week training culminating in a competitive exam. Stage 3: Pre-Departure Training Camp - One-week advanced training for selected team. Stage 4: International Earth Science Olympiad (IESO) - International competition with theoretical and practical exams, and field activities.
How entries are judged
Performance in theoretical and practical exams, field activities, and group presentations.
Selection process
Top scorers from the National Level Entrance Test proceed to the Training Camp. The top-performing students from the INESO exam (held at the end of the Training Camp) are selected to represent India at the IESO (typically 4 students).
How to prepare
- Previous years' question papers available on the Geological Society of India website.
- Syllabus for IESO (available on the Geological Society of India website).
- Standard textbooks on Geology, Meteorology, Oceanography, and Environmental Science.
Academic details
Difficulty: Advanced
What's covered
The INESO syllabus is comprehensive and aligns with topics covered in school curricula, extending to introductory Earth Science courses. It focuses on the Geosphere, Hydrosphere, Atmosphere, and Planetary System, emphasizing their intricate interconnections and promoting a holistic understanding of Earth systems. The curriculum also incorporates practical aspects and field investigations.
Frequently asked questions
How can students effectively prepare for the INESO National Level Entrance Test?
Effective preparation involves thoroughly understanding the INESO syllabus, which covers geology, meteorology, oceanography, and environmental science. Students should focus on conceptual clarity, practice with previous years' question papers, and refer to recommended textbooks. Consistent study and mock tests are crucial for success in this competitive examination.
What are the key benefits of participating in INESO for a student's academic and career development?
Participating in INESO offers significant benefits, including enhanced scientific inquiry, problem-solving skills, and in-depth knowledge of Earth systems. It provides a unique opportunity to represent India internationally, boosting academic profiles for higher education in STEM fields and opening doors to careers in Earth Sciences.
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