ISRO Scientist/Engineer Recruitment 2025: Notification PDF, Eligibility, Salary

ISRO invites online applications from talented graduates for Scientist/Engineer ‘SC’ posts in Electronics, Mechanical, and Computer Science, with 351 vacancies under Advt. Nos. NRSC/RMT/1/2025 & ICRB:02(EMC):2025. Graduates with 65% marks or 6.84 CGPA can apply online from May 27 to June 16, 2025, at isro.gov.in. Read on to know the eligibility, selection process, and more.

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ISRO Scientist Recruitment 2025 Highlights

ISRO Scientist Apply Online 2025 Date

The online application process for ISRO Scientist/Engineer Recruitment 2025 has begun under two advertisements. For Advt. No. ISRO:ICRB:01(EMC):2025, the application window was open from May 10 to May 30, 2025. For Advt. No. ISRO:ICRB:02(EMC):2025, eligible candidates can apply online from May 27 to June 16, 2025 through the official website isro.gov.in.

ISRO Scientist 2025 Previous Question Paper PDF

ISRO Scientist Notification 2025 PDF

You can download the official ISRO Scientist Recruitment 2025 notification PDF here for detailed information on eligibility, vacancies, application process, important dates, and selection criteria. Make sure to read it carefully to avoid any mistakes during your application.

ISRO Scientist Eligibility Criteria 2025

Go through the Educational Qualification and Eligibility Criteria for ISRO Scientist/Engineer posts, along with important notes on CGPA and percentage calculations:

Educational Qualification & GATE Requirement

Important Notes on Eligibility and CGPA/Percentage

• Graduation Duration: The degree must be completed within the stipulated time as per the University rules.
• Allied Disciplines: Some allied branches of engineering are acceptable as per the FAQs (official guidelines).
• CGPA vs Percentage:

  • If both CGPA and percentage are mentioned on the certificate or mark sheet, either one should meet ISRO’s eligibility criteria.

  • If only CGPA is mentioned, it must meet the eligibility criteria.

  • Conversion of CGPA to percentage is NOT allowed for eligibility determination, even if the university provides a conversion formula.

  • The same rule applies when only percentage is mentioned.

Dual/Integrated Degree Programmes

ISRO Scientist Vacancy 2025

Here’s the vacancy table for ISRO Scientist Recruitment 2025:

ISRO Scientist Selection Process 2025

The selection process for ISRO Scientist/Engineer ‘SC’ consists of a Written Test followed by an Interview. The process is designed to evaluate both technical and aptitude competencies.

a) Written Test Details

• Test Centres: Ahmedabad, Bengaluru, Bhopal, Chennai, Guwahati, Hyderabad, Kolkata, Lucknow, Mumbai, New Delhi, and Thiruvananthapuram.
• ISRO reserves the right to change or cancel any test centre.
• Call letters will be sent only to the candidate’s registered email ID.

b) ISRO Scientist 2025 Exam Pattern

• Duration: 120 minutes (PwBD candidates are eligible for compensation time).

• Question Type: Objective type (MCQs) divided into two parts:

• Aptitude Section Topics: Numerical Reasoning, Logical Reasoning, Diagrammatic Reasoning, Abstract Reasoning, and Deductive Reasoning.

c) Interview Process

• Candidates are shortlisted for Interview in a 1:5 ratio based on their performance in the written test.

  • Minimum of 10 candidates will be shortlisted.

  • For reserved categories, additional candidates will be shortlisted without overlap from the UR list.

Interview Marks Allocation (Total: 100 Marks)

Breakdown of Academic Achievements (10 Marks):

• Institute Type:

  • IITs, IISc, NITs, or NIRF Top 20: 3 marks

• Academic Performance:

  • CGPA ≥ 9 / % > 85%: 4 marks

  • CGPA 7.5–9 / % 71–85%: 2 marks

• Rank in Institution (Top 3): 3 marks

d) Qualifying Criteria

e) Final Selection Weightage

• 50% Weightage to Written Test marks

• 50% Weightage to Interview marks

f) Tie-Breaker Rules

In case of a tie in the final panel, the following will be considered in order:

1. Higher marks in the Written Test
2. Higher marks in the essential qualification
3. Older age (Date of Birth)

Important Instructions for Applicants

• Screening for Interview: Candidates will be shortlisted for the interview based on their valid GATE 2024 or GATE 2025 scores.
• GATE Paper & Degree Discipline: The GATE paper and the qualifying degree must correspond exactly to the disciplines listed in the eligibility table (Electronics, Mechanical, or Computer Science).
• Filling GATE Score Carefully: Applicants must enter their GATE score (not marks or rank) accurately in the application form because shortlisting depends on this score.
• Verification: The ISRO Central Recruitment Board (ICRB) will verify all GATE scores submitted.
• Consequences of False Information: If any candidate is found to have provided a false GATE score during the screening, ICRB reserves the right to take strict action, including criminal proceedings.

ISRO Scientist 2025 Syllabus PDF

The official syllabus for ISRO Scientist/Engineer 2025 recruitment has not been released yet. Once the syllabus is officially published by ISRO, we will update this page with the latest PDF and detailed subject-wise topics for your reference. Stay tuned for updates.

How to Apply ISRO Scientist Recruitment 2025

• Online Application Window: Applications will be accepted online on the ISRO website.
• Candidates registered on the National Career Services (NCS) portal and meeting eligibility can apply by following the given procedure.
• Applications are accepted only online.
• After registration, applicants will receive an Online Registration Number — keep this safe for future reference.
• A valid and correct email ID must be provided, as all communications (hall tickets, call letters) will be sent via email.

No Objection Certificate (NOC)

• Candidates employed in Central/State Government, PSU, Autonomous Bodies, etc. must submit a No Objection Certificate (NOC) from their employer at the time of the interview.
• Candidates must apply with prior permission and intimation to their employer.
• If employment changes after application, candidates must inform their employer and submit an NOC at the interview.
• Failure to submit the NOC will disqualify the candidate from the interview, and TA will not be paid.

Application Fee

Payment only via online mode through Bharatkosh portal using:

• Internet Banking,
• UPI,
• Domestic Debit Cards,
• Domestic Credit Cards.

No other payment methods (cash, cheque, draft, money order, IPO) will be accepted. After filling the application, candidates will be redirected to Bharatkosh for payment. Confirmation of payment will be sent via message and email.

Candidates can pay immediately after application submission or later before the last date via the “Make Payment” link on the ISRO website using Registration Number and DOB.Bank charges and taxes may vary by payment mode.

• Do not refresh or use the back button during payment to avoid session abortion.
• Candidates can check payment status and print receipt 24 hours after successful payment.
• For payment issues, contact your bank.
• Exemptions: Women, SC/ST, Ex-servicemen, and Persons with Benchmark Disabilities are exempt from application fee.
• Candidates should ensure successful application submission and avoid multiple applications.

Documents Required

All original documents supporting the details entered in the online application must be produced at the time of Interview. If any information is found to be false, the candidate will be disqualified and TA will not be reimbursed.

Do NOT upload any documents except:

• Photograph (jpg),
• Signature (jpg),
• GATE Scorecard (PDF)
• Qualification Certificates
• Proof of Age
• Caste/Category Certificate
• No Objection Certificate (NOC) from employer, if applicable

ISRO Scientist Salary 2025: Pay Scale & Allowances

Selected candidates will be appointed as Scientist/Engineer ‘SC’ in Level 10 of the Pay Matrix with a minimum basic pay of ₹56,100/- per month.

In addition to the basic pay, the following benefits are applicable as per prevailing rules:

• Dearness Allowance (DA)
• House Rent Allowance (HRA)
• Transport Allowance
• Medical Facilities for self and dependents
• Subsidised Canteen
• Limited Quarters Facility (in lieu of HRA)
• Leave Travel Concession (LTC)
• Group Insurance
• House Building Advance (HBA)
• Pension coverage under the New Pension Scheme (NPS)/Unified Pension Scheme

ISRO Scientist Recruitment 2025 Other Conditions and Instructions

• Selected candidates may be posted at any ISRO Centre/Unit across India.
• Transfer between ISRO Centres/Units can occur based on organizational needs.
• Number of vacancies is provisional and may be increased or decreased at ISRO’s discretion.
• The posts are temporary but likely to continue.
• For details of ISRO Centres/Units, visit: ISRO Centres

Travel and Reimbursement

• No TA will be paid for attending the Written Test.
• Candidates called for Interview will be reimbursed 2nd class/sleeper train fare (to and fro) by the shortest route, based on the address mentioned in the application.

Note: Change of address/city for reimbursement purposes will not be entertained.

General Instructions

• Only Indian nationals are eligible to apply.
• ISRO reserves the right to not fill up any or all of the posts.
• Canvassing in any form will result in disqualification.
• Women candidates are encouraged to apply to ensure gender balance in the workforce.
• All communication will be sent only to the candidate’s registered email ID or published on the ISRO website.

ISRO Scientist 2025 Answer Key & Objection Process

• Answer keys will be published on the ISRO website within 3 working days of the Written Test.
• Candidates can raise objections with valid justification within 5 days through the official link provided.
• No objections will be entertained after the deadline or through other modes.

ISRO Scientist Books 2025 for Preparation

o prepare well for the ISRO Scientist exam, use standard books that cover core subjects and aptitude topics. Pick books that explain concepts clearly and include practice questions. Once the official syllabus is out, we’ll update this page with the best book list.

ISRO Scientist/Engineer 2025 Preparation Tips

• Know the Syllabus: Focus on your core engineering subjects (ECE/ME/CS), based on GATE-level topics.
• Use Standard Books: Refer to standard textbooks like RK Rajput (ME), Morris Mano (CS), or Sedra Smith (ECE).
• Strengthen Basics: Build strong fundamentals before moving to advanced problems.
• Practice Time Management: Solve previous year papers and mock tests within the exam time frame.
• Revise Regularly: Create short notes for formulas and key concepts—revise them weekly.
• Take Mock Tests: Attempt full-length mock exams to assess speed and accuracy.
• Quant & Reasoning: Don’t ignore the aptitude section—practice basic math, logical reasoning, and data interpretation.