ISRO Scientist/Engineer

ISRO Previous Year Question PapersFree Download | BTechTutor

Free ISRO Scientist/Engineer previous year question papers for ECE, EEE, Mechanical, and CS — the single most important resource for your preparation.

Exam-focused Syllabus

Part A technical + Part B aptitude coverage

Free PYQs & Mocks

10+ years of ISRO papers and pattern mocks

GATE-to-ISRO Edge

70-85% syllabus overlap, leveraged fully

Overview

ISRO Preparation

ISRO previous year question papers are the single most important preparation resource for the ISRO Scientist/Engineer written test. The reason is simple — ISRO question papers have strong pattern repetition. The same topic areas, similar numerical values, and near-identical question structures appear year after year across ECE, EEE, Mechanical, and CS papers. A student who has thoroughly solved 10 years of ISRO PYQs is significantly better prepared than one who has only studied notes and textbooks.

BTechTutor provides free ISRO previous year question papers for ECE, EEE, Mechanical, and CS disciplines. Downloads are available directly from the resource links below.

Available ISRO PYQ Papers by Discipline

DisciplineYears AvailablePatternAccess
ISRO ECE / Electronics2008 to 202580 technical + 15 aptitudeFree
ISRO EEE / Electrical2008 to 202580 technical + 15 aptitudeFree
ISRO Mechanical2008 to 202580 technical + 15 aptitudeFree
ISRO CS2008 to 202580 technical + 15 aptitudeFree
01

Why ISRO PYQs Are Your Best Preparation Tool

  • ISRO question patterns repeat — many questions from 2018-2019 papers appear with minor modifications in 2023-2024 papers. Solving PYQs trains you to recognise these patterns instantly.
  • PYQs tell you the actual topic weightage — not what the syllabus says but what ISRO actually tests. Spend your preparation time proportionally to actual PYQ frequency, not syllabus listing order.
  • ISRO paper difficulty calibration — solving PYQs under timed conditions (80 technical questions in approximately 100 minutes) reveals your actual exam readiness better than any mock test.
  • Answer key analysis — for every PYQ you get wrong, identify whether it was a concept gap or a silly mistake. Concept gaps need re-study. Silly mistakes need exam technique work.
  • Solve each year's paper in full before checking answers — do not solve question by question. Simulate actual exam conditions.

ISRO Resources

Notes, PYQs, mocks, and video classes.

ISRO Syllabus PDF

Official

FREE

Previous Year Papers

PYQs

FREE

Mock Tests

Practice

FREE

Video Classes (Full Course)

Coaching

PAID

Demo Class (YouTube)

YouTube

FREE

Download and enrolment links are shared by the team — reach out on WhatsApp or call to get access.

Related ISRO Pages

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FAQ

Frequently Asked Questions

Quick answers to questions ISRO aspirants most often ask.

Q01

Where can I download ISRO previous year papers for free?

BTechTutor provides free ISRO PYQs for ECE, EEE, Mechanical, and CS disciplines. Use the download links on this page. Papers from 2008 to 2025 are available.

Q02

Are ISRO question papers repeated?

Yes — ISRO question patterns and topic areas show strong repetition across years. This makes PYQ practice especially valuable for ISRO preparation.

Q03

How many years of ISRO PYQs should I solve?

Solve at least 8 to 10 years of ISRO PYQs for your discipline. This covers the major pattern cycles and gives you reliable performance data.

Q04

Do ISRO PYQs come with answer keys and solutions?

Yes. BTechTutor provides answer keys for all ISRO PYQ papers. Detailed solutions for selected papers are also available in the video classes.

Q05

What is the pattern of ISRO ECE previous year papers?

ISRO ECE papers have 80 technical MCQs (Part A) and 15 aptitude MCQs (Part B) = 95 total questions. Duration 120 minutes. Negative marking 1/3.

Q06

How should I use ISRO PYQs in my preparation?

Solve PYQs subject-wise after completing each topic. Identify weak areas from your error analysis. Then solve full-length papers under timed conditions in the final 4-6 weeks before the exam.