How to Join ISRO after 12th - A Complete Guide

How to Join ISRO after 12th - A Complete Guide

Edited By Team Careers360 | Updated on Jun 11, 2025 07:33 PM IST

The Indian Space Research Organisation (ISRO) is one of the world's leading space agencies, famous for its cost-effective missions and scientific excellence. Headquartered in Bengaluru, ISRO has successfully executed multiple satellite launches, interplanetary missions, and space exploration programs like Chandrayaan, Mangalyaan and Gaganayaan. For those who are curious about space and technology, joining ISRO can be a dream moment.

How to Join ISRO after 12th - A Complete Guide
How to Join ISRO after 12th - A Complete Guide

Are you one of those ambitious young minds who aspire to work at ISRO after 12th? If yes, and you're wondering how to join ISRO after 12th, you have come to the right place. This article will walk you through the step-by-step process on how to join ISRO after the 12th. Also, we will discuss the required educational path, entrance exams, eligibility criteria and salary structure in detail. Let’s explore how to join ISRO after the 12th.

Step 1 - Choose PCM in 10+2

The first step to begin your journey towards a career in ISRO is to opt for PCM (Physics, Chemistry, and Mathematics) as core subjects during 10+2 education. Since a strong aptitude and understanding of the mathematical and physical principles are key elements that can boost your chances of employability in ISRO.

Step 2- Pursue Engineering After Class 12

After the completion of the 12th standard, the next academic step should be appearing for entrance examinations like JEE Main and JEE Advanced. These exams are crucial stepping stones for you to begin your career in ISRO. Because scoring well on these examinations can land you in India’s top-tier engineering institutes, like:

  • Indian Institute of Space Science and Technology (IIST)

  • Indian Institutes of Technology (IITs)

  • National Institutes of Technology (NITs)

Recommended Engineering Branches for ISRO:

To pursue a career in ISRO, the preferred engineering branches are as follows:

  • Aerospace Engineering

  • Mechanical Engineering

  • Computer Science

  • Electrical/Electronics Engineering

  • Engineering Physics

  • Radio Engineering

Joining the ISRO will be relatively easier for students who get into the IIST after Class 12. If these students maintain a CGPA of at least 7.5 or above, they will receive direct placement at ISRO. However, due to limited vacancies, only the most deserving students will be selected through ISRO counselling. So if you are thinking, “How can I join ISRO after 12th?”Getting into IIST is one of the best and direct routes.

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Step 3: Clear the ICRB Exam

The third important step in securing a career at ISRO is to qualify for the ISRO Centralised Recruitment Board (ICRB) exam. Candidates can apply for this highly competitive exam after completing a B.E./B.Tech degree in the relevant discipline. Also, there are strict eligibility criteria and a selection process to be eligible for this profession.

Eligibility:

  • A B.Tech or a BE degree in a relevant discipline

  • Minimum 65% marks or 6.8 CGPA (on a 10-point scale)

  • Age: Minimum 21 years

Selection process:

  • Stage 1: Written Test (Objective Type, National-level)

  • Stage 2: Personal Interview

Only those candidates who clear both of these stages with high merit are finally selected. With the successful completion of these two stages with excellent performance, candidates are welcomed to ISRO in the post of Scientist/ Engineer-SC.

Alternate Route: Postgraduate and Doctoral Pathway

Do you know that pursuing higher education can also be beneficial for securing a career in ISRO? Another pathway to join ISRO after 12th is to pursue postgraduate or doctoral studies.

Suitable PG/PhD Courses:

Aspirants can enrol in fields such as,

  • Applied Mathematics

  • Geophysics

  • Instrumentation

  • Geoinformatics

  • Remote Sensing

After completing postgraduation or a PhD in any of these relevant disciplines, candidates are perfectly eligible to apply for ISRO recruitment drives. Positions such as scientist/ engineer or Junior Research Fellow (JRF) are open for aspirants through this route.

Step 4: Appear for ISRO Recruitment Drives (Post PG/PhD)

Postgraduates or PhD holders can directly apply for vacancies at ISRO. You can familiarise yourself with important notifications through the ISRO’s official website. To select the most deserving candidates, there are mainly 2 steps in the recruitment process.

  • Written Test

  • Personal Interview

It is worth noting that ISRO also maintains a "Live Register" where candidates with research experience can register. This enhances their employability prospects as they will be directly considered for upcoming opportunities or vacancies. Thus, if you start working on research credentials through higher education, like a PG or PhD, it will reflect on your chances of getting into ISRO.

ISRO Scientist’s Salary and Allowances

One of the most well-known advantages of working in ISRO is the attractive salary package which comes along with numerous other benefits. The salary structure of an ISRO scientist is based on the 7th Central Pay Commission. If you are an aspirant, understanding these different pay levels and their corresponding salary levels is highly important for making a wise career decision. Check out the table below to get a clear overview of the ISRO scientists' salaries with respective pay level details.

Designation

Pay Level (7th CPC)

Starting Basic Pay

Scientist/Engineer SC

Level 10

Rs 56,100

Scientist/Engineer SD

Level 11

Rs 67,700

Scientist/Engineer SE

Level 12

Rs 78,800

Scientist/Engineer SF

Level 13

Rs 1,23,100

Scientist/Engineer SG

Level 13A

Rs 1,31,100

Scientist/Engineer G

Level 14

Rs 1,44,200

Scientist/Engineer H Outstanding Scientist

Level 15

Rs 1,82,200

Distinguished Scientist (DS)

Level 16

Rs 2,05,400

Secretary, DOS / Chairman, ISRO

Level 17

Rs 2,25,000

Salary source: ISRO official website

Additional Allowances

In addition to the basic pay, ISRO salaries also include various allowances and perks, which make this profession highly desirable for candidates.

  • Dearness Allowance (DA): Variable, revised semi-annually (January and July)

  • House Rent Allowance (HRA): Based on city classification is as follows

    • X Cities: 27% of Basic Pay

    • Y Cities: 18% of Basic Pay

    • Z Cities: 9% of Basic Pay

  • Transport Allowance (TA): Fixed + DA. This varies by city and post.

  • Other Allowances: Include NPS, medical facilities, leave travel concession (LTC), and more.

Not only education, but it takes significant dedication, academic excellence and clear planning to build a career in ISRO. Your journey toward this high-profile career starts from selecting the right courses after the 12th to securing admission in the top-tier colleges. ISRO offers a variety of opportunities, such as scientist, engineer, or researcher, to candidates of varying qualifications. For those truly passionate about innovation, science and technology, understanding how to join ISRO after 12th is highly recommended to shape a fulfilling career.


Frequently Asked Questions (FAQs)

1. What is ISRO?

Indian Space Research Organization, or ISRO, is one of the world's largest space agencies, noted for its cost-effective projects and innovative technology. It was founded on August 15, 1969, with its headquarters in Bengaluru.

2. Which stream should be chosen in 11th to join ISRO?

Students must take PCM topics (physics, chemistry, and mathematics) during their secondary school years (10+2), to join ISRO.

3. Which degree courses shall I pursue to join ISRO?

Students must pursue B.Tech or BE in courses such as Computer Science, Mechanical, Radio Engineering, Aerospace Engineering, Electrical Engineering, Engineering Physics, and other related subjects, despite the extensive list of finest engineering courses.

4. Which entrance exam gains entry into ISRO after graduation?

The ISRO Centralized Recruitment Board (ICRB) exam gains entry into ISRO after graduation.

5. What is the expected salary of scientists at ISRO?

ISRO scientists are paid a monthly salary ranging from Rs. 56100 to Rs. 177500, with salaries and benefits such as travel allowances, house rent, medical services, etc.

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