Question 1

What is the selection process for ISRO Scientist/Engineer SC?

Accepted Answer

ISRO Scientist/Engineer SC recruitment involves a written test (CBT) followed by a rigorous Technical Interview. The written test has 80 questions covering technical subject, general science & maths, and general awareness. Candidates who clear the written test cutoff are called for a face-to-face technical interview at ISRO centres. The interview is highly technical and may include problem-solving, analytical questions, and discussion of the candidate's final year project. Final selection is merit-based from the combined score.

Question 2

What is the salary for ISRO Scientist/Engineer SC?

Accepted Answer

ISRO Scientist/Engineer SC positions carry a pay band of approximately Rs. 56,100–1,77,500 per month (Level 10, 7th CPC). The total CTC including allowances and benefits is approximately Rs. 12–16 lakh per annum for a fresh SC-level scientist. ISRO also provides subsidised housing at its campuses, medical benefits, and an annual professional development budget. Scientists with demonstrable research output can earn performance awards additionally.

Question 3

What is it like to work as a Scientist/Engineer at ISRO?

Accepted Answer

ISRO Scientist/Engineers work on challenging national space projects including launch vehicles (PSLV, GSLV, LVM3), satellites (communication, remote sensing, navigation), and deep space missions (Chandrayaan, Mangalyaan, Gaganyaan). The work culture is research-oriented with a flat hierarchy at the technical level. Most positions are based at ISRO centres in Bangalore, Thiruvananthapuram, Ahmedabad, Shriharikota, Hassan, or Hyderabad. Work involves both design/analysis and hands-on hardware integration.

Question 4

Is there a bond period for ISRO Scientist/Engineers?

Accepted Answer

ISRO Scientist/Engineer appointments are Central Government equivalent posts and do not have a financial bond like PSU Engineer Trainees. However, selected candidates go through a probation period of two years. ISRO scientists who receive sponsored higher education (M.Tech/PhD through IIST/other institutes) are bound by service contracts for the duration of their sponsored programme plus additional service period. Resignation within probation or sponsorship period has service-rule implications.

Question 5

How should I prepare for the ISRO technical interview?

Accepted Answer

The ISRO technical interview panel consists of senior scientists who test fundamental engineering concepts rigorously. Prepare all subjects from your B.Tech curriculum, not just GATE syllabus topics. Be ready to explain your final year project in detail, including design choices, calculations, and real-world constraints. Study ISRO missions in your domain — for example, Electronics candidates should know ISRO's satellite communication systems, while Mechanical candidates should understand launch vehicle propulsion and structures. Practice deriving equations from first principles as interviewers often ask conceptual "why" questions.

Subject / Section	Questions	Marks per Q	Total Marks	Time (approx)
Technical Subject (50 Questions)	26	+1	26	30 min
General Science & Mathematics (20 Questions)	26	+1	26	30 min
General Awareness (10 Questions)	28	+1	28	30 min
Total	80	—	80	90 min

Phase	Time Budget	Target Questions
First pass (attempt easy Qs)	54 min	56 Qs
Second pass (attempt medium)	27 min	16 Qs
Review & guess	9 min	Remaining

Year	Questions	Duration	Key Change
2025	80	90 min	Current pattern
2024	80	90 min	No major change
2023	80	90 min	Section added

ISRO Scientist/Engineer SC Exam Pattern 2027 — Complete Question Paper Structure

Exam Pattern at a Glance

Section-wise Pattern

Marking Scheme

Time Management Strategy

Year-wise Pattern Changes

Difficulty Distribution

Frequently Asked Questions

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