The Two Paths to Entry
ISRO primarily recruits Scientist/Engineer 'SC' professionals through two main channels. The first is a direct written test conducted by the ISRO Centralised Recruitment Board (ICRB), followed by an interview. The second, increasingly common method, is shortlisting
candidates based on their scores from the Graduate Aptitude Test in Engineering (GATE), who then proceed directly to an interview. Recently, ISRO has been using a mix of both methods to accelerate recruitment. For example, a recent notification for 93 posts relied entirely on valid GATE 2025 or GATE 2026 scores. Aspiring candidates must keep a close watch on the official ISRO careers website for notifications specifying the entry method for each recruitment drive.
Essential Eligibility Criteria
To be considered for a Scientist/Engineer 'SC' position, you generally need a B.E./B.Tech degree in a relevant discipline like Electronics, Mechanical, or Computer Science with a minimum aggregate of 65% marks or a CGPA of 6.84 on a 10-point scale. The required discipline will be specified in the job notification. For recruitments based on GATE, a valid score in the corresponding GATE paper is mandatory. The typical age limit is around 30 years, though relaxations are provided for candidates from SC/ST and OBC categories as per government norms. Always verify the specific educational and age requirements in the official advertisement before applying.
Understanding the Selection Process
The selection process is rigorous and designed to identify top talent. If the recruitment is via a written test, the exam is typically an objective-type paper focused on your specific engineering discipline. This test usually lasts for 90 to 120 minutes and often includes negative marking. For recruitments through GATE, candidates are shortlisted for the interview in a 1:7 ratio based on their GATE scores. The interview is the final and most critical stage. It assesses your technical depth, subject knowledge, and comprehension skills. In the GATE-based process, the final merit list gives 50% weightage to the GATE score and 50% to the interview performance.
Salary, Perks, and Career Growth
A position at ISRO is not just prestigious but also comes with a competitive compensation package. A newly appointed Scientist/Engineer 'SC' is placed in Level 10 of the 7th Central Pay Commission pay matrix, with a starting basic pay of ₹56,100 per month. This is supplemented by several allowances, including Dearness Allowance (DA), House Rent Allowance (HRA), and Transport Allowance (TA), which can bring the gross monthly salary to between ₹75,000 and ₹90,000, depending on the city of posting. Beyond the salary, ISRO employees enjoy benefits like comprehensive medical facilities, leave travel concessions, and housing support. Career progression is structured and based on merit, with a Departmental Promotion Committee that evaluates performance for promotions to higher grades.
How to Apply and Stay Updated
All applications for ISRO recruitment are processed online through the official website, isro.gov.in. When a recruitment drive is announced, candidates must register on the portal, fill out the application form with accurate personal and educational details (including GATE scores if applicable), and upload the required documents. It is crucial to use a valid and active email address, as all communication from ISRO, including interview call letters, will be sent there. Given that application windows can be short, aspiring scientists and engineers should make it a habit to regularly check the 'Careers' section of the ISRO website to avoid missing any opportunities.














