How to Become an Astronaut in ISRO?

By BYJU'S Exam Prep

Updated on: October 17th, 2023

To become an astronaut in ISRO (Indian Space Research Organization), a candidate must fulfill specific criteria and follow a rigorous selection process. A candidate with a technical degree in Computer Science Engineering, Mechanical Engineering, Aeronautical Engineering, Electrical, and Electronics Engineering has more chances of being eligible for the IRSO selection process. The candidates who aspire to become astronauts and join ISRO have a question, “How to become an astronaut in ISRO? This blog will clear all your queries about this question.

If you are an engineer looking at the stars and dreaming of exploring space, becoming an astronaut is worth considering. The Indian Space Research Organisation (ISRO) is the space agency of the Government of India. It offers a unique opportunity for aspiring astronauts to enter the field of space exploration. Students pursuing their Engineering degree are very fascinated to join ISRO as Astronaut. But most of the students did not get a proper answer to the question “How to Become an Astronaut in ISRO? The blog shared below will help in getting a helpful solution.

How to Become an Astronaut in ISRO?

It would be best to have a degree in engineering, medicine, or science. A candidate with a Bachelor’s degree with a minimum of 60% marks is eligible to apply. The opportunities for becoming an astronaut may be limited. Apart from Astronaut Scientists/Engineers in ISRO are also hired in ISRO. However, you can watch ISRO’s official website for updates regarding their astronaut program. Other requirements include the following:

  • You should have at least three years of work experience in your chosen field.
  • Relevant work experience in aviation, aerospace, or military service can be advantageous.
  • You should also have studied physics and mathematics at your 10+2 level.
  • The age limit to apply for the astronaut program is usually between 27 to 37 years.
  • It’s important to note that ISRO’s astronaut program is still in its early stages.

Education and Qualifications Requirements

To become an astronaut in ISRO candidates need a degree in Engineering or Science. The most common fields of study for aspiring astronauts include

  • Aerospace engineering,
  • Mechanical engineering,
  • Electrical engineering,
  • Physics
  • Computer science.

In addition to a degree, ISRO requires its astronauts to have at least three years of experience in their field of study. This experience can be gained through internships, research projects, or other work in the aerospace industry.
Also Check: ISRO Scientist Engineer Question Papers

Physical Requirements

In addition to academic qualifications, ISRO has strict physical requirements for its astronauts. As a result, you’ll need excellent physical fitness, including good eyesight, hearing, and cardiovascular health. The physical conditions to become an astronaut in ISRO include the following:

  • Candidate should also have an excellent height-to-weight ratio and meet specific standards for blood pressure and other medical factors.
  • Astronauts must be in excellent physical shape.
  • The candidate must maintain a healthy and active lifestyle, with regular exercise and a balanced diet.
  • Candidates should also have good eyesight and not suffer from chronic health conditions.

Selection Process

ISRO selects its astronauts through a rigorous selection process, including written exams, physical fitness tests, and interviews. The selection process is highly competitive, and only a few applicants are chosen to move on to the next stage.

If a candidate is interested in becoming an astronaut in ISRO, it’s essential to start preparing as early as possible. Candidates must maintain excellent academic performance and gain experience through internships, research projects, or other work opportunities. In addition, it would be best to focus on maintaining excellent physical fitness, an essential factor in selection.

Training to Become an Astronaut in ISRO

Once selected as an astronaut, you’ll undergo extensive training lasting several years. The information about training to become an Astronaut in ISRO is shared below:

  • This training will include a combination of classroom instruction and hands-on experience covering topics such as space science, space technology, and space operations.
  • During your training, you’ll also have the opportunity to participate in simulations and other exercises that will help you prepare for the challenges of spaceflight.
  • In addition, you’ll learn how to operate spacecraft and space systems, perform experiments in microgravity, and work effectively as part of a team in space.


Becoming an astronaut in ISRO is a challenging and rewarding career path that requires a combination of academic qualifications, physical fitness, and determination. If you’re interested in exploring the frontiers of space, start preparing early and work hard to achieve your goals. With dedication and perseverance, you could one day become a part of India’s proud tradition of space exploration. 

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