InChO 2020 - Indian National Chemistry Olympiad


InCho Exam - Registration, Exam Date, Syllabus, Exam Pattern, Result and Other Details

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The Indian National Chemistry Olympiad Exam (INChO in short) is an annual competition organized by the Homi Bhabha Center For Science Education in collaboration with the Indian Association of Chemistry Teachers for the world’s most talented and competent chemistry students at the higher secondary school level. The students of class 11 and 12 first need to qualify the NSEC examination to be eligible for the INChO Olympiad exam. Among more than 30000 students who attempt the NSEC exam held in November each year, the top 1% of the students are selected for the INChO exam.

Due to Covid 19 - The usual three-stage procedure for the selection of the teams to represent India at the International Olympiad that has been followed in prior years is now being shortened to a two-stage procedure as a one-time exception only for the academic year 2020 - 21. Read more about IOQ 2020-21.

InCho Exam 2020

The INChO exam is held in late January or in the first week of February each year. The top students from the INChO Olympiad exam ( approximately 35 in each subject) are invited for the Orientation -Cum- Selection -Camp in Chemistry held in Mumbai. Most of the students who qualified for the INChO exam 2020 were from the 12th standard. However, some of the students who qualified the INChO Olympiad exam 2020 were from the 11th standard itself. Read the article below to get complete information about the INChO Olympiad exam.

The INCho exam 2020 is already conducted in the month of February 2020. Let us now discuss the INCHo Olympiad exam 2021 important dates.

INChO Exam 2021 Important Dates

Beginning of the registration of the candidates

January 2021, 1st week

Last date for the candidates to register

January 2021, 3rd  week

Release for admit card for the Incho exam

January 2021, 4th week

INChO Examination date

February 2021, 1st  week

Declaration of Result

March 2021, 1st week

INChO Olympiad Exam Pattern

A basic exam pattern overview for the Indian National Chemistry Olympiad exam 2020 is discussed below:

  • Total Number of Questions - 80

  • Question Paper Language - English/Hindi

  • Syllabus - The INChO exam syllabus is similar to the NSEC exam syllabus

  • Exam Duration - 3 hours

  • Negative Marking  -  Applicable

How to Download an INChO Olympiad Exam Admit Card?

  • The students can download the INChO exam admit card through the HBCSE official website.

  • Candidates should take a print of the INChO exam admit card and carry it with them to the examination center on the examination day.

  • Candidates will not be permitted to enter the examination hall without the admit card.

  • Basic details such as student name, NSE roll number, examination center, date,  and time of the exam will be mentioned on the admit card.

  • The candidate must keep the admit card safely with them until the results of the different stages of the exam are completed.

INChO Exam 2020 Registration Process

  1. Registration at Own School - Candidates Can register his/her name for the upcoming INChO Olympiad exam from their respective schools if it is a registered NSE center. The candidates can contact their school principal for registration purposes.

  2. Registration at Different NSE Centers - The candidates can even register his/her name for the INChO exam from the nearby registered NSE center if their own school is not an NSE center. 

  3. All the students who have registered his/her name from different states other than the state of their own school are required to send the scanned copy of NSE admit card and school Id by email to IACT or else they will be disqualified.

INCho Olympiad Exam Registration Fees

The INChO Olympiad exam registration fees for the Indian candidates is INR 150 per student. This registration fee has to be paid to the center-in- charge of the NSE registration center during the registration process.

INChO Olympiad Exam Result

  • The Indian National Chemistry Olympiad exam result will be uploaded on the HBCSE official website.

  • A list of students' names will be updated on the official website who qualified for the next round.

  • The student’s final scores and performance card who qualified the exam will also be uploaded on the official website.

  • The candidates will be eligible for the INChO exam after qualifying for the NSEC exam.

Indian National Chemistry Olympiad Exam 2020 Reference Book

Some of the reference books for the Indian National Chemistry Olympiad Exam 2020 is given below:

Books For Organic Chemistry






Organic Chemistry- a brief course, 2nd edition 

Atkins Carey

The McGraw - Hill Companies, Inc


Organic Chemistry, 3rd edition 


The McGraw - Hill Companies, Inc

Books For Inorganic Chemistry


Concise Inorganic Chemistry, 5th edition


ELBS with Chapman & Hall


Basic Inorganic Chemistry, 3rd edition

Cotton, Wilkinson & Gaus

John Wiley & Sons

Books For Biochemistry


Principle of Biochemistry


CBSE publisher and distributors Pvt. Ltd.


Biochemistry an Introduction, 2nd edition  

Mckee & Mckee

WCB/The McGraw - Hill

Books For Practical  Chemistry


CBSE practical books


Quantitative analysis. 5th edition

Day & Underwood

Prentice-Hall of India Pvt. Ltd., New Delhi

Books For General Chemistry


Analytical Chemistry, 5th  edition


John Wiley  Sons, Inc.


Fundamental of Analytical Chemistry, 2nd edition


Holt International Edition

Books For Analytical Chemistry


Analytical Chemistry, 5th edition


John Wiley  Sons, Inc.


Fundamentals of Analytical Chemistry, 2nd edition

Skoog & West

Holt International Edition

INChO Olympiad Exam 2020 Eligibility Criteria

The eligibility criteria to qualify the INcho exam is discussed below:

Minimum Admissible Score - The minimum admissible scores should be attained in the NSEC exam to quarter to be eligible for the INCho exam. Generally, the MAS is 40% of the maximum in Chemistry.

Proportional Representation Clause - The number of students selected for the INChO exam is around 300.

Minimum Representation Clause - The number of students selected for the INChO exam from each State or Union Territory should be at least 1, provided that the eligibility clause is satisfied.

Merit Clause - Given the eligibility clause, it may be possible that 300 students may not qualify for the INChO exam. In this situation, the shortfall from 300 will be selected based on merit without considering any proportional representation or minimum representation clauses. And if there's a tie at the last stage, then the students  with the similar marks at this position will be qualified for the INChO exam.

FAQ (Frequently Asked Questions)

Q1. Can the Students get Their INChO Results Through the Post?

Ans: The candidate’s performance card will not be sent by post. They can log in with the NSE roll number and date of birth to check the INChO result available on the HBCSe official website.

Q2. What are the Benefits of the Indian National Chemistry Olympiad Exam 2020?


  • Participating in the chemistry olympiad will put the students' knowledge and skills to the test and encourage them to learn more.

  • It helps them to pursue a career in Chemistry.

  • They can socialize and learn from other students of the same level.

  • Students with proficiency in Science and Chemistry will be recognized for their skills and abilities. This in turn will enhance their confidence and could lead to the desire to achieve more in academics.

  • They will get a chance to compete with other students from all over the world. This will help to learn more about other cultures while making new friends.

Q3. How Many Students will be Selected for the International Chemistry Olympiad Exam?

Ans: A maximum of 4 to 4 students who clear the first two stages of the chemistry olympiad exam i.e National Standard Examination in Chemistry and Indian National Olympiad in Chemistry will be selected to participate in the International Chemistry Olympiad exam.