Exam comparison · from official notices

ISRO Scientist/Engineer 'SC' vs UPSC ESE: salary, eligibility, exam pattern and syllabus

  • ISRO Scientist/Engineer 'SC' is conducted by ISRO; UPSC ESE is conducted by UPSC.
  • Qualification — ISRO Scientist/Engineer 'SC': BE/B.Tech or equivalent in the relevant discipline with an aggregate minimum of 65% marks or CGPA 6.84/10. UPSC ESE: A degree in Engineering from a university incorporated by an Act of Parliament or a state legislature, a deemed university, or an equivalent qualification listed in the notice (e.g. Sections A and B of the Institution of Engineers (India)).
  • Age limit — ISRO Scientist/Engineer 'SC': 28 years (as on 16 September 2026 (closing date)). UPSC ESE: 21–30 years (born 2 Jan 1997 – 1 Jan 2006) (as on 1 January 2027).
  • ISRO Scientist/Engineer 'SC' has 3 stages in its printed pattern; UPSC ESE has 3.

ISRO Scientist/Engineer 'SC' vs UPSC ESE: side by side

Each cell is copied from the exam's latest official notice. Always confirm in the notice before applying.

FactISRO Scientist/Engineer 'SC'UPSC ESE
Conducting body
  • ISRO
  • isro.gov.in
  • UPSC
  • upsc.gov.in
Latest notice
  • Advt No. ISRO:ICRB:03(EMC):2026 — Recruitment to the post of Scientist/Engineer 'SC' (Electronics, Mechanical, Computer Science) (published 27 August 2026)
  • Engineering Services Examination, 2027 — Examination Notice No. 02/2027-ENGG (published 16 September 2026)
Application status
  • Applications closed on 16 September 2026.
  • Applications closed on 6 October 2026.
Posts
  • Scientist/Engineer 'SC' (Electronics), Mechanical and Computer Science — Department of Space / ISRO
  • Level 10 of Pay Matrix (minimum basic pay ₹56,100 p.m.)
  • Group 'A' and Group 'B' services/posts in four engineering categories: Civil, Mechanical, Electrical and Electronics & Telecommunication
  • Examples named in the notice: Central Engineering Service, Indian Railway Management Service, Indian Defence Service of Engineers, Indian Telecommunications Service Gr 'A', Central Power Engineering Service Gr 'A'
Pay (as printed)
  • Level 10 of Pay Matrix (minimum basic pay ₹56,100 p.m.)

Pay Level 10 →

  • Not printed in the notice data shown here
Age limit
  • 28 years (as on 16 September 2026 (closing date))
  • 21–30 years (born 2 Jan 1997 – 1 Jan 2006) (as on 1 January 2027)
Qualification
  • BE/B.Tech or equivalent in the relevant discipline with an aggregate minimum of 65% marks or CGPA 6.84/10
  • A degree in Engineering from a university incorporated by an Act of Parliament or a state legislature, a deemed university, or an equivalent qualification listed in the notice (e.g. Sections A and B of the Institution of Engineers (India))
  • For Indian Naval Armament Service (Electronics Engineering posts) and Indian Radio Regulatory Service Gr 'A': an M.Sc. with Wireless Communication Electronics, Radio Physics or Radio Engineering (or as listed in the notice) is also accepted
  • Candidates who have appeared or intend to appear in the qualifying examination may apply provisionally, and must upload proof of passing within the window given after the Main result
Selection stages
  • Part A — Area/Discipline specific (90 minutes)
  • Part B — Aptitude/Ability tests (30 minutes)
  • Interview (—)
  • Stage-I: Preliminary (objective) (5 hours in all (Paper I 2 hours; Paper II 3 hours))
  • Stage-II: Main (conventional) (6 hours in all (3 hours per paper))
  • Stage-III: Personality Test (—)
Negative marking
  • Part B — Aptitude/Ability tests: No negative marking.
  • Part B is an aptitude/ability test of a maximum of 15 MCQs for 20 marks in 30 minutes covering numerical, logical, diagrammatic, abstract and deductive reasoning, with no negative marking.
  • Stage-I: Preliminary (objective): Negative marking: one-third (1/3) of the marks of a question for each wrong answer; more than one answer counts as wrong; no penalty for a blank.
Vacancies
  • 175 (Electronics 99, Mechanical 52, Computer Science 21, plus 1 each in Electronics, Mechanical and Computer Science at PRL, an autonomous body); tentative
  • Approximately 480, including 19 for Persons with Benchmark Disabilities (number liable to alteration)
Application fee
  • Non-refundable application fee ₹250; all candidates first pay ₹750 as processing fee, and ₹500 is refunded to fee-paying candidates who appear in the written test
  • Women, SC/ST, PwBD and Ex-Servicemen get a full refund. No refund if the candidate does not appear for the written test.
  • ₹200
  • Female, SC, ST and PwBD candidates are exempted from the fee. OBC and EWS candidates get no exemption and must pay the full fee.
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Frequently asked questions

What is the difference between ISRO Scientist/Engineer 'SC' and UPSC ESE eligibility?

ISRO Scientist/Engineer 'SC': age 28 years as on 16 September 2026 (closing date); BE/B.Tech or equivalent in the relevant discipline with an aggregate minimum of 65% marks or CGPA 6.84/10. UPSC ESE: age 21–30 years (born 2 Jan 1997 – 1 Jan 2006) as on 1 January 2027; A degree in Engineering from a university incorporated by an Act of Parliament or a state legislature, a deemed university, or an equivalent qualification listed in the notice (e.g. Sections A and B of the Institution of Engineers (India)). For Indian Naval Armament Service (Electronics Engineering posts) and Indian Radio Regulatory Service Gr 'A': an M.Sc. with Wireless Communication Electronics, Radio Physics or Radio Engineering (or as listed in the notice) is also accepted. Candidates who have appeared or intend to appear in the qualifying examination may apply provisionally, and must upload proof of passing within the window given after the Main result. Both from the latest official notices.

How is the selection process of ISRO Scientist/Engineer 'SC' different from UPSC ESE?

ISRO Scientist/Engineer 'SC': Written test / CBT: Part A (80 MCQs, 90 minutes) and Part B (aptitude, up to 15 MCQs, 30 minutes), 100 marks; Interview: 100 marks, shortlisting in the ratio 1:5; Final panel: 50% written test, 50% interview. UPSC ESE: Stage-I: Preliminary examination (two objective papers, 500 marks); Stage-II: Main examination (two conventional papers, 600 marks); Stage-III: Personality Test (200 marks); Medical examination of finally recommended candidates.

How many vacancies are there in ISRO Scientist/Engineer 'SC' and UPSC ESE?

ISRO Scientist/Engineer 'SC': 175 (Electronics 99, Mechanical 52, Computer Science 21, plus 1 each in Electronics, Mechanical and Computer Science at PRL, an autonomous body); tentative. UPSC ESE: Approximately 480, including 19 for Persons with Benchmark Disabilities (number liable to alteration). As printed in each latest notice.

What is the application fee for ISRO Scientist/Engineer 'SC' and UPSC ESE?

ISRO Scientist/Engineer 'SC': Non-refundable application fee ₹250; all candidates first pay ₹750 as processing fee, and ₹500 is refunded to fee-paying candidates who appear in the written test. UPSC ESE: ₹200. Fee exemptions are listed in each notice.

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