ISRO Telemetry Tracking and Command Network (ISTRAC), Bengaluru – Advt. No. ISTRAC:02:2026

ISRO ISTRAC Various Post Answer Key 2026

Short Details of Notification

Sarkari Job

Important Dates

  • Advertisement Date : 27/06/2026
  • Application Begin : 27/06/2026 (10:00 AM)
  • Last Date for Apply Online and Fee : 20/07/2026 (11:55 PM)
  • CBT Date : 25/09/2026
  • Answer Key Objection : 01/10/2026 (06:00 PM) to 04/10/2026 (06:00 PM)
  • Revised Answer Key and Response Sheet : 27/10/2026 (01:00 PM) to 02/11/2026 (01:00 PM)
  • Skill Test : Not announced

Application Fee

  • Technical / Scientific / Library Assistant, Processing Fee : ₹750/- (Application Fee ₹250/-, refund ₹500/- on appearing in CBT)
  • Technician-B / Draughtsman-B / Cook-A, Processing Fee : ₹500/- (Application Fee ₹100/-, refund ₹400/- on appearing in CBT)
  • Women / SC / ST / PwBD / Ex-Servicemen : full refund on appearing in CBT
  • Payment Mode : Bharatkosh, by Net Banking, UPI or Debit Card

Age Limit & Selection Process

  • Age Limit: Minimum 18 years and Maximum 35 years as on 20/07/2026. SC / ST : 5 years, OBC : 3 years (only where the post is reserved); others as per Government of India orders.
  • Selection Process: Screening → Written Test / CBT → Skill Test (qualifying) → Final Merit on CBT marks.

Vacancy Details

Post NameTotal PostsEligibility/Details
Technician-B (ITI Electronics Mechanic) – 0018
  • ISTRAC 5 (UR 2, OBC 1, EWS 2); MCF Hassan 3 (UR 1, SC 1, EWS 1; 1 for PwBD-HH)
  • SSLC / 10th + ITI / NTC / NAC (NCVT) in Electronics Mechanic, Technician Power Electronic Systems, Mechanic Consumer Electronic Appliances or Mechanic Industrial Electronics
Technician-B (ITI Carpenter) – 0021
  • OBC 1
  • SSLC / 10th + ITI / NTC / NAC (NCVT) in Carpenter trade
Draughtsman-B (Civil) – 0031
  • OBC 1 (PwBD-OH backlog)
  • SSLC / 10th + ITI / NTC / NAC (NCVT) in Draughtsman Civil trade
Draughtsman-B (Mechanical) – 0041
  • OBC 1
  • SSLC / 10th + ITI / NTC / NAC (NCVT) in Draughtsman Mechanical trade
Technical Assistant (Electronics) – 0056
  • UR 2, EWS 1, OBC 1, SC 1, ST 1; posts at Bengaluru, Thiruvananthapuram, Sri Vijayapuram (A&N), SDSC SHAR and NESAC Umiam
  • First Class Diploma in Electronics from a recognised State Board
Technical Assistant (Mechanical) – 0061
  • OBC 1
  • First Class Diploma in Mechanical Engineering from a recognised State Board
Scientific Assistant (Computer Science) – 0074
  • OBC 2, EWS 1, UR 1; 1 for PwBD-HH
  • First Class B.Sc. with Computer Science as main subject
Scientific Assistant (B.Sc. Mathematics) – 0081
  • UR 1
  • First Class B.Sc. with Mathematics as main subject
Library Assistant-A – 0091
  • OBC 1
  • Graduate in First Class + First Class Master’s degree in Library Science / Library & Information Science or equivalent
Cook-A – 0102
  • ISTRAC 1 (UR, earmarked for PwBD-HH); MCF Hassan 1 (UR)
  • SSLC / 10th pass + 5 years experience as cook in a well established hotel or canteen (certificates from individuals not accepted)

Salary & Pay Scale Details

  • Technician-B / Draughtsman-B : Level 3, ₹21,700 – 69,100
  • Technical Assistant / Scientific Assistant / Library Assistant-A : Level 7, ₹44,900 – 1,42,400
  • Cook-A : Level 2, ₹19,900 – 63,200
  • Allowances as admissible; National Pension System / Unified Pension Scheme
  • Posting : anywhere in India; round the clock shifts

Exam Pattern

  • Technician-B, Draughtsman-B, Technical / Scientific / Library Assistant CBT : 80 MCQs, 1.5 hours; +1 per correct, -0.33 per wrong answer
  • Pass marks in CBT : 32/80 (UR), 24/80 (reserved, where the post is reserved)
  • Skill Test (qualifying) : 100 Marks; pass 50/100 (UR), 40/100 (reserved)
  • Cook-A CBT : 60 MCQs, 1.5 hours, +1 / -0.33; Skill Test pass 60/100, no relaxation
  • Skill Test shortlist 1:5 (minimum 10), held at Bengaluru only; CBT in Hindi or English

How to Check Answer Key

  1. Open isro.gov.in, go to Careers and open the page for Advt. No. ISTRAC:02:2026.
  2. Click the candidate login link given for the revised answer key and post-objection response sheets.
  3. Log in with the User ID and Password you received at registration.
  4. View your response sheet with the revised answer key, decided after the objections.
  5. Candidates who pass the CBT are shortlisted 1:5, with at least 10, for the skill test in Bengaluru.
  6. Call letters for the skill test come by e-mail or SMS; bring original certificates and NOC, if employed.

Interested Candidates Can Read the Full Notification Before Apply Online.

Get Latest Sarkari Naukri Updates via Social Media

WhatsApp

Telegram

Facebook

Some Useful Important Links

Download Answer Key

Click Here

Download Notification

Click Here

Official Website

Click Here