About ISRO SDSC SHAR 2026

The ISRO SDSC SHAR 2026 answer key and score calculator on RankGuruji helps candidates estimate marks, compare the official answer key, and prepare for expected rank analysis. Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota, conducted a Computer Based Test on 04 September 2026 under Advt. No. SDSC SHAR/RMT/01/2025 for 141 vacancies across Scientist/Engineer and various technical/non-technical posts.

ISRO SDSC SHAR 2026 Exam Pattern

The written exam pattern varies slightly by post, but generally consists of objective multiple-choice questions from the following areas:

  • Part A – Technical / Discipline Knowledge: Core engineering or trade-specific subject questions relevant to the post applied for (e.g. Scientist/Engineer 'SC', Technician, Draughtsman)
  • Part B – General Aptitude & Reasoning: Quantitative aptitude, reasoning, and general awareness
  • Trade / Skill Based Posts: Technician, Nurse, Radiographer, Cook, Fireman and Light Vehicle Driver posts test relevant technical or trade knowledge as per the official notification

Marking Scheme

Understanding the official marking format is essential for score calculation:

  • Correct Answer: +1 mark
  • Wrong Answer: -0.33 mark
  • Unattempted: 0 marks

How to Use RankGuruji ISRO SDSC SHAR Answer Key Calculator

Our free ISRO SDSC SHAR answer key calculator helps you estimate your score with greater clarity:

  1. Enter your official answer key / response sheet URL from shar.gov.in
  2. Select your category and reservation status
  3. Use the +1 and -0.33 marking logic automatically applied by the calculator
  4. Review your section-wise score and predicted performance
  5. Move to the rank predictor page for expected rank comparison

ISRO SDSC SHAR 2026 Selection Process

The selection process usually follows the official notification sequence and may include:

  • Stage 1: Computer Based Written Test
  • Stage 2: Skill Test (go/no-go basis, shortlisted in 1:5 ratio with minimum 10 candidates per category) or Interview, depending on the post
  • Stage 3: Document Verification and Medical Examination as notified

Expected Cut-Off Marks 2026

Expected cut-offs depend on the post applied for, category, vacancies, difficulty level, and candidate performance. Use the calculator to compare your after-negative-marking score instead of relying only on raw attempts.

Note: These are indicative values based on previous trends and ISRO/SDSC SHAR recruitment patterns. Final cut-offs are determined by the official authority.

ISRO SDSC SHAR 2026 Posts

The recruitment covers 141 vacancies for posts including Scientist/Engineer 'SC', Technical Assistant, Scientific Assistant, Library Assistant, Technician, Draughtsman, Nurse, Radiographer, Cook, Fireman and Light Vehicle Driver at Satish Dhawan Space Centre, Sriharikota.

Why Choose RankGuruji?

  • Accurate Calculations: Uses the official ISRO SDSC SHAR marking scheme (+1 / -0.33)
  • Post-wise Analysis: Compare candidates by post and category
  • Category-wise Cut-off: Compare your final score with expected category trends
  • Free to Use: No registration or payment required
  • Instant Results: Score estimate and rank prediction in one flow
  • Mobile Friendly: Works smoothly across devices

Important Links

Disclaimer: RankGuruji estimates are based on submitted answer key data and expected cut-off trends. Final results, cut-offs, and post allocation are decided by the official ISRO/SDSC SHAR recruitment authority.
Frequently Asked Questions – ISRO SDSC SHAR 2026 Answer Key

Visit the official SDSC SHAR response sheet or answer key portal at shar.gov.in, copy the answer key URL, and paste it into RankGuruji's free ISRO SDSC SHAR calculator. Your expected marks are generated instantly.

The official scoring uses +1 mark for every correct answer and -0.33 mark for every incorrect answer. Unattempted questions receive 0 marks.

ISRO SDSC SHAR cut-off depends on the post applied for, official vacancy distribution under Advt. No. SDSC SHAR/RMT/01/2025, category-wise reservation, exam difficulty and overall candidate performance.

RankGuruji gives an indicative estimate, but final cut-off is declared by the official ISRO/SDSC SHAR authority.

The recruitment covers 141 vacancies for posts like Scientist/Engineer 'SC', Technical Assistant, Scientific Assistant, Library Assistant, Technician, Draughtsman, Nurse, Radiographer, Cook, Fireman and Light Vehicle Driver, with the written test covering discipline-specific/technical knowledge along with general aptitude and reasoning as per the official notification.

The selection process normally follows the official notification sequence, including the Computer Based Written Test followed by a Skill Test (go/no-go basis) or Interview depending on the post, and document verification / medical examination.

Yes. Select your category from the dropdown, calculate your score, then open the ISRO SDSC SHAR Rank Predictor to see your overall and category-wise rank estimate on RankGuruji.