Launching Your Career in Space: How to Join ISRO

The Indian Space Research Organisation (ISRO) is one of the most prestigious space agencies in the world. For young engineers, scientists, and researchers, building a career at ISRO is a dream come true. From launching heavy-lift rockets like LVM3 to sending exploration missions to the Moon and Mars, ISRO offers unparalleled opportunities.

In this comprehensive guide, we'll break down how to get hired, eligibility criteria, and career trajectories.

1. Key Entry Routes to ISRO

There are three primary pathways to join ISRO as a scientific or technical officer:

A. ISRO Centralised Recruitment Board (ICRB) Exam

This is the most common route for fresh graduates. ISRO conducts an annual national exam for recruiting Scientist/Engineer 'SC' positions.

• Eligible Fields: Mechanical, Electronics, Electrical, Computer Science, and Civil Engineering.
• Minimum Marks: First-class degree with a minimum of 65% aggregate or 6.84/10 CGPA.

B. Indian Institute of Space Science and Technology (IIST)

Located in Thiruvananthapuram, IIST is India's dedicated space university. Students who complete their B.Tech in Aerospace or Avionics with high CGPAs (typically above 7.5) are directly absorbed into ISRO centers without writing the ICRB exam.

C. Direct Recruitment for Post-Graduates & Doctorates

Candidates holding M.E./M.Tech, M.Sc, or Ph.D. degrees can apply for specialized scientific vacancies advertised directly by individual centers (such as VSSC, URSC, or SAC).

2. The ICRB Exam Pattern & Syllabus

The selection process comprises two stages:

1. Written Examination: 80 objective-type questions based on core engineering disciplines, lasting 120 minutes. It tests fundamental concepts, mathematical reasoning, and logical application.

2. Personal Interview: Candidates who qualify the written exam (usually in a 1:10 ratio) are called for an intensive face-to-face technical interview. The final selection is based 100% on interview performance.

Focus on core engineering books rather than generic competitive prep. ISRO interviewers value deeply rooted foundational knowledge over shortcut formulae.

3. Salaries, Benefits, and Career Progression

Upon selection, candidates enter as Scientist/Engineer 'SC' under the 7th Pay Commission:

• Pay Level: Level 10 (Basic Pay: ₹56,100 + allowances).
• Gross Salary: Approx. ₹85,000 to ₹1,00,,000 depending on the city of posting.
• Benefits: Free quarters/HRA, full medical coverage, transport allowance, and flexible pension schemes.
• Growth Ladder: SC → SD → SE → SF → SG → Outstanding Scientist → Distinguished Scientist. Promotions are purely performance-linked and managed through an internal merit evaluation system.