Pupils who pass the National Standard Examination of Astronomy (NSEA) can participate in the Indian National Astronomy Olympiad (INAO) hosted by the Homi Bhabha Center for Science Education (HBCSE).  This test is often administered in late November. Only candidates who have completed the NSEA, the first phase, are qualified to take the test, which is the second. Olympiad is a worldwide competition based mostly on school curricula. These tests encourage students to begin preparing for national-level exams that they may take in the future. Candidates should be familiar with the pattern and the number of phases they might go through before attending the INAO. Let’s have a look at some of the stages that will be mentioned further down.

Exam Pattern for INAO

INAO Exam pattern details are given below

Conducting Body	Homi Bhabha Center For Scientific Education (HBCSE)
Time Allotted	3 hours
Type of Question	Part- 1 (NSEA) will be objective and Part 2- (INAO) will be subjective
Medium of Examination	English and Hindi
Maximum Marks	100
Total No. of Questions	7 questions

The Astronomy Olympiad Program is divided into five parts.

Stage 1: National Standard Examination in Astronomy (NSEA).

Stage 2: Indian National Astronomy Olympiad (INAO).

Stage 3: Orientation cum Selection Camp in Astronomy (OCSC).

Stage 4: Pre-departure Training Camp (PDT) for IOAA.

Stage 5: International Olympiad in Astronomy and Astrophysics (IOAA).

After passing the National Standard Examination in Astronomy (NSEA), applicants are qualified to take the INO Astronomy Examination (INAO).

INAO Eligibility Criteria

The following are the INAO eligibility requirements

• The INAO test is open to all Indian students in Class XII or lower who were born between July 1 and June 30, inclusive. Participants in INAO are not permitted to be students who have finished Class XII.
• Applicants must have resided in India and gone to Indian schools at least since November.
• Applicants could not have planned to enroll in college or other similar institutions.
• You have to have passed the class XII board exam or its equivalent before November.
• •Appearing in NSEJS is prohibited.

INAO Syllabus

Considering the Important Topics for each INAO subject are listed below.

A complete syllabus for INAO has not yet been made public by the conducting authority, however the contents mostly cover elementary astronomy, mathematics, and physics through CBSE Class 12 level.

INAO Subject-Wise Topics
Physics	Mathematics	Elementary Astronomy
Capacitance, energy stored in a capacitor, parallel plate capacitors	Number Theory and Complex Numbers	Astronomy
			Circular motion and kinematics of circular motion	Lines, Triangles, Solid shapes and Conic Sections	Gravitation
Current electricity and its temperature dependence	Circles, Ellipse, Parabola and Hyperbola	Escape Velocity
Kirchoff’s current law and voltage law	Orthogonality,Parametric equations, Quadratic Equations	Kepler’s Law
Electromagnetic waves, electrostatic field, electric field and electric potential	Integration and Differentiation	Miscellaneous
Measurement errors and maximum permissible error	Permutations and Combinations
Geometrical optics, Plane and Spherical Mirrors, Optical Instruments and Eye defects	Straight Lines, Equation of Lines, Trigonometric Identities, Sine and Cosine Values
Kinematics, Thermodynamics and Kinetic Theory of Gasses	Nature of Roots, Sequences and Series
Fluid Mechanics and Archimedes Principle	Statistics and Probability
Heat Transfer, Steffen’s and Wien’s Law
Force and Newton’s Laws of Motion
Heating, Magnetic and Chemical effects of electric current
Projectile Motion, Relative Motion in one and two dimension
Surface Energy and Surface Tension
Units and Dimensions of Physical Quantities

Books Recommended for INAO

Book Name	Author Name
Collection of Experimental Problems in Physics	Rajesh B. Khaparde, H. C. Pradhan
Experimental Problems in Chemistry	Savita Ladage, Swapna Narvekar and Indrani Sen
Indian National Physics Olympiad – Theory Problems (1998 – 2005),	Vijay A. Singh and Shirish R. Pathare
Indian National Physics Olympiad – Theory Problems and Solutions (2006 – 2009)	Vijay A. Singh and Praveen Pathak
Problems and Solutions of International Olympiad on Astronomy and Astrophysics (2007 -2014),	Dr Aniket Sule
Training in Experimental Physics Through Demonstrations and Problems	Rajesh B. Khaparde, H. C. Pradhan

INAO Result

For students taking the INAO after the test, the result day needs to be the most anticipated day. From all categories, 250 students will be selected for INAO stage II. 500 pupils will thus be chosen as a result. Out of the 500 applications, only 35 are selected to attend the Orientation and Selection Camp. You can check the INAO results on the official HBCSE website following the exam.

Frequently Asked Questions on INAO Exam: Indian National Astronomy Olympiad (INAO)

Q1 What is the procedure for taking the International Olympiad Exam?

Group A and Group B will be the names of the two groups formed from the student cohort.
The students in Group A will be in Class XII as of November 30, 2020.
Group B comprises students in Class XI or below as of November 30.
The NSEA 2020 and INAO 2021 question papers will be the same for both categories.
For stage II of INAO, a total of 250 students will be selected from each group, for a total of 500 students.
The Minimum Admissible Score (MAS) and Merit Index (MI) are calculated independently for every category.

Q2 What is the Astronomy Olympiad Screening Process?

Students are split into two classes, A and B, inside the batch/pool. Students in Group A must be in Class XII as of November 2020, and students in Group B must be in Class XI or lower.
A total of 250 students will be chosen from each category for INAO stage II. As a result, 500 students will be chosen.

Q3 What subjects are covered in the INAO Syllabus?

The National Standard Examination in Astronomy (NSEA) and the INAO test have identical content, however the INAO test’s questions are noticeably harder. It incorporates topics from the Physics, Mathematics, and Astronomy textbooks published by the CBSE. INAO questions are intended to evaluate a candidate’s higher-order thinking skills. They are evaluated on a scale of 10+2.

Q4 What are the five stages of INAO?

Stage 1: NSEA (National Standard Examination in Astronomy).
Stage 2: INAO (Indian National Astronomy Olympiad).
Stage 3: OCSC (Orientation cum Selection Camp in astronomy).
Stage 4: Pre-departure Training Camp (PDT) for IOAA.
Stage 5: IOAA (International Olympiad in Astronomy and Astrophysics).

Q5 How can I look for INAO results online?

The National Standard Examination in Astronomy (NSEA) and the INAO test have identical content, however the INAO test’s questions are noticeably harder. It incorporates topics from the Physics, Mathematics, and Astronomy textbooks published by the CBSE. INAO questions are intended to evaluate a candidate’s higher-order thinking skills. They are evaluated on a scale of 10+2.

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