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ISRO ICRB Advertisement No. ISRO:ICRB:01(A-JPA):2026 is now live, with online registration open from 27-07-2026 to 16-08-2026 for Assistant, Junior Personal Assistant, Upper Division Clerk, and Stenographer posts in Level 4 of the Pay Matrix. With 200 questions to attempt in 150 minutes, negative marking of -0.25 for every wrong answer, and a mandatory skill test stage following the written exam, candidates need more than just syllabus knowledge — they need a clear, disciplined preparation strategy. In this blog, you’ll find expert preparation tips, smart study strategies, and techniques to improve your preparation for ISRO Recruitment 2026.
ISRO Recruitment 2026 – Understand the Syllabus & Exam Pattern Thoroughly Before You Start
Before opening a single book, map out exactly what you’re preparing for.
Assistant/UDC (Post No. 1, 3, 5):
- General English (50), Quantitative Aptitude (50), General Intelligence & Reasoning (50), General Knowledge (50) — 200 marks, 150 minutes
JPA/Stenographer (Post No. 2, 4, 6):
- English Language & Comprehension (100), General Intelligence & Reasoning (50), Quantitative Aptitude & General Knowledge (50) — 200 marks, 150 minutes
Notice the weightage difference: JPA/Stenographer aspirants face double the English questions compared to Assistant/UDC candidates. Your preparation time allocation should reflect this from day one, not just during revision.
ISRO Assistant/UDC/JPA/Stenographer Recruitment 2026 – Notification Details
1: In a certain code language, ‘ROK’ is written as ‘44’ and ‘MIG’ is written as ‘29’. What will be the code for ‘TAL’ in that code language?
| Particulars | Details |
|---|---|
| Organisation | Indian Space Research Organisation (ISRO), Department of Space |
| Recruiting Body | ISRO Centralised Recruitment Board (ICRB) |
| Advt No. | ISRO:ICRB:01(A-JPA):2026 dated 27-07-2026 |
| Posts | Assistant, Junior Personal Assistant (JPA), Upper Division Clerk (UDC), Stenographer |
| Total Vacancies | 113 (Assistant) + 81 (JPA) + 22 (UDC) + 10 (Stenographer) + 17 (Assistant – Autonomous Bodies) + 1 (JPA – Autonomous Bodies) |
| Pay Level | Level 4 of Pay Matrix, Minimum Basic Pay ₹25,500/- p.m. |
| Application Mode | Online only |
| Application Start Date | 27-07-2026 (10:00 AM) |
| Application Last Date | 16-08-2026 (11:55 PM) |
| Official Website | www.isro.gov.in |
Download ISRO 2026 Previous Year Question Paper PDF – Assistant, JPA, UDC & Stenographer
| Post Name | PYQs |
|---|---|
| ISRO Assistant Mock Test | |
| ISRO Junior Personal Assistant (JPA) Mock Test | |
| ISRO Upper Division Clerk (UDC) Mock Test | |
| ISRO Stenographer Mock Test | |
| ISRO Assistant (Autonomous Institutions) Mock Test | |
| ISRO Junior Personal Assistant (Autonomous Institutions) Mock Test |
How to Prepare for ISRO Recruitment 2026: Strategy for Assistant, JPA, UDC & Stenographer Posts
The right ISRO Recruitment 2026 preparation tips can help you prepare smarter and perform better. Explore the strategies below to strengthen your preparation for the Assistant, JPA, UDC, and Stenographer exam.
Prepare a Subject-Wise Study Plan
A clear study timeline prevents last-minute cramming and ensures balanced coverage:
| Phase | Duration | Focus |
|---|---|---|
| Foundation | Weeks 1–2 | Cover full syllabus once per subject; build concept clarity |
| Practice | Weeks 3–5 | Topic-wise question sets; track accuracy per topic |
| Mock Test Phase | Weeks 6–7 | Full-length 200-question, 150-minute timed tests |
| Revision | Final week | Error review, formula sheets, current affairs refresh |
Since the written exam and skill test are separate stages, don’t wait until after the written exam to think about Computer Literacy or Stenography practice — build at least light, consistent exposure to these throughout your preparation window.
Master Time Management Across Sections
With all sections sharing a single 150-minute window, poor time allocation is one of the most common reasons candidates underperform despite knowing the material.
Suggested time split for Assistant/UDC:
- General English: ~30 minutes
- Quantitative Aptitude: ~45 minutes
- General Intelligence & Reasoning: ~40 minutes
- General Knowledge: ~20 minutes
Suggested time split for JPA/Stenographer:
- English Language & Comprehension: ~60 minutes
- General Intelligence & Reasoning: ~45 minutes
- Quantitative Aptitude & General Knowledge: ~45 minutes
Attempt your strongest section first to build confidence and banked marks early, then move to weaker sections while you still have a time buffer. Avoid spending more than the allotted time on any single question — mark and move on.
Handle Negative Marking Strategically
With +1 for correct answers and -0.25 for wrong ones, blind guessing can actively hurt your score.
- Only attempt a question if you can eliminate at least 2 of 4 options through logical elimination — this shifts the probability in your favor
- Don’t leave easy, high-confidence questions for later; secure them first
- In General Knowledge, where guessing is riskiest (no elimination logic usually available), be selective — a strong accuracy rate matters more than a high attempt rate here
- Track your “wrong answer rate” in every mock test, not just your final score, to correct guessing habits early
Subject-Specific Preparation Tricks
General English / English Language & Comprehension
- Read English newspapers or editorials daily to build comprehension speed and vocabulary simultaneously
- Maintain a personal error log of grammar rules you repeatedly get wrong
- Practice cloze tests and para jumbles under timed conditions — these are usually the most time-consuming question types
Quantitative Aptitude
- Memorize squares (up to 30), cubes (up to 20), and standard percentage-fraction conversions to cut calculation time
- Solve Data Interpretation sets as a block rather than question-by-question, since DI questions often share a common data source
- Revisit formula sheets weekly rather than re-deriving formulas from scratch each time
General Intelligence & Reasoning Ability
- Practice puzzle and arrangement-based questions daily, since these are typically the most time-intensive and high-scoring once mastered
- For non-verbal reasoning (mirror/water images, dice, cubes), practice visualization speed with timed drills
- Don’t skip coding-decoding and blood relations — these are usually quick-scoring if practiced regularly
General Knowledge
- Maintain a monthly current affairs notebook rather than trying to revise everything in the final week
- Prioritize static GK from a single consolidated source (like Lucent’s) to avoid conflicting information across multiple books
- Specifically track recent ISRO missions, space policy developments, and government science initiatives, since GK papers for space-sector recruitment often lean toward organisation-relevant current affairs
Don’t Neglect the Skill Test Stage
Many candidates focus entirely on the written exam and start Skill Test preparation only after results are announced — this is a mistake given the short gap between stages.
Computer Literacy Test (75 minutes: MS Word 35, MS Excel 35, MS PowerPoint 30 marks):
- Practice actual hands-on tasks weekly throughout your preparation — formatting documents, using Excel formulas (SUM, AVERAGE, VLOOKUP), building tables, and creating slide layouts
- Timed practice matters here as much as it does for the written exam
Stenography Test (JPA/Stenographer — 300 words at 60 wpm, Pitman’s shorthand only):
- Daily dictation practice at 60 wpm builds the muscle memory needed for accurate transcription
- Practice both the 5-minute dictation and the 30-minute transcription phases separately to match the exact test format
- Review your own transcripts against the master passage regularly to catch recurring error patterns (omissions, substitutions, spelling mistakes)
Use Mock Tests to Replicate Real Exam Pressure
Mock tests are not just practice — they’re a diagnostic tool.
- Take a diagnostic full-length mock test early to identify your baseline strengths and weaknesses
- Move to sectional mock tests during the practice phase to fix specific weak topics
- Shift to full-length, timed mock tests in the final weeks to build exam-day stamina and pacing
- After every mock test, analyze accuracy rate, time spent per section, and negative marks lost — not just your final score
| Post Name | Mock Test |
|---|---|
| ISRO Assistant Mock Test | |
| ISRO Junior Personal Assistant (JPA) Mock Test | |
| ISRO Upper Division Clerk (UDC) Mock Test | |
| ISRO Stenographer Mock Test | |
| ISRO Assistant (Autonomous Institutions) Mock Test | |
| ISRO Junior Personal Assistant (Autonomous Institutions) Mock Test |
Take Care of Exam-Day Logistics Early
- Keep your registered email ID and mobile number active and regularly checked (including spam/junk folders), since all ISRO communication — hall tickets, call letters — is sent only via email/SMS
- Double-check all details entered in your online application before submission, since incomplete or inconsistent applications are liable to rejection
- If applying under a reserved or PwBD category, keep all required certificates ready and digitized (e.g., UDID portal for disability certificates) well in advance
- Note that no TA is paid for the written test, but second-class train fare is reimbursed for the Skill Test — plan your travel accordingly
Revise Smart in the Final Days
- Avoid starting new topics in the last week — focus entirely on revising what you’ve already studied
- Revisit your error logs from mock tests rather than re-reading full chapters
- Do a final current affairs refresh covering the last 2–3 months, with specific attention to space and science-related news
- Get adequate rest before the exam — accuracy and reasoning speed both drop significantly with fatigue, regardless of how well you’ve prepared
Cracking ISRO Recruitment 2026 comes down to disciplined time management, smart handling of negative marking, consistent skill-test practice alongside written exam preparation, and regular mock test analysis rather than passive reading. Build your preparation around the actual exam pattern, track your progress honestly, and adjust your strategy based on real mock test data.
For structured study plans, sectional and full-length mock tests, and updated content mapped to the ISRO Assistant/JPA/UDC/Stenographer exam pattern, explore Entri App — your one-stop platform for competitive exam preparation.





