The Indi­an Space Research Organ­i­sa­tion (ISRO) through the ISRO Cen­tralised Recruit­ment Board (ICRB) has released the recruit­ment noti­fi­ca­tion for Scientist/Engineer ‘SC’ posts in Elec­tron­ics, Mechan­i­cal and Com­put­er Sci­ence disciplines.

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The recruit­ment is being con­duct­ed under Adver­tise­ment No. ISRO:ICRB:03(EMC):2026. Eli­gi­ble can­di­dates can sub­mit their appli­ca­tions online from 27 August 2026 to 16 Sep­tem­ber 2026. The offi­cial ISRO noti­fi­ca­tion also pro­vides the writ­ten exam­i­na­tion pat­tern, mark­ing scheme, qual­i­fy­ing cri­te­ria and inter­view details.

Can­di­dates prepar­ing for the ISRO Scientist/Engineer SC exam­i­na­tion should check the com­plete exam pat­tern, syl­labus, marks dis­tri­b­u­tion, neg­a­tive mark­ing, selec­tion process and eli­gi­bil­i­ty details before applying.

ISRO Scientist/Engineer SC Recruitment 2026 – Overview

The cur­rent ISRO ICRB recruit­ment page con­firms that the online appli­ca­tion win­dow is open from 27 August to 16 Sep­tem­ber 2026.

ISRO ICRB Scientist/Engineer SC Vacancy 2026

The cur­rent noti­fi­ca­tion includes vacan­cies in the fol­low­ing disciplines:

The noti­fi­ca­tion states that the vacan­cies are ten­ta­tive and may be changed through a corrigendum.

ISRO Scientist/Engineer SC Eligibility 2026

Educational Qualification

Can­di­dates must pos­sess the rel­e­vant BE/B.Tech or equiv­a­lent degree in the con­cerned dis­ci­pline with a min­i­mum of 65% marks or CGPA 6.84/10.

Discipline-wise Qualification

• Elec­tron­ics: BE/B.Tech or equiv­a­lent in Elec­tron­ics & Com­mu­ni­ca­tion Engineering.
• Mechan­i­cal: BE/B.Tech or equiv­a­lent in Mechan­i­cal Engineering.
• Com­put­er Sci­ence: BE/B.Tech or equiv­a­lent in Com­put­er Sci­ence Engineering.

Can­di­dates should check the offi­cial noti­fi­ca­tion and FAQ for accept­able allied disciplines.

Age Limit

• Max­i­mum Age: 28 years as on 16 Sep­tem­ber 2026.
• Age relax­ation is applic­a­ble to eli­gi­ble cat­e­gories such as serv­ing Cen­tral Gov­ern­ment civil­ian employ­ees, Ex-Ser­vice­men and PwBD can­di­dates accord­ing to Gov­ern­ment of India rules.

ISRO Scientist/Engineer SC Exam Pattern 2026

The ISRO ICRB writ­ten exam­i­na­tion con­sists of two parts and car­ries a total of 100 marks.

The offi­cial noti­fi­ca­tion spec­i­fies a total test dura­tion of 120 min­utes, divid­ed into 90 min­utes for Part A and 30 min­utes for Part B.

Part A – Subject Specific Exam

Part A con­tains 80 mul­ti­ple-choice ques­tions based on the can­di­date’s con­cerned engi­neer­ing discipline.

• Total Ques­tions: 80
• Total Marks: 80
• Dura­tion: 90 minutes
• Cor­rect Answer: +1 mark
• Wrong Answer: ‑1/3 mark
• Unat­tempt­ed Ques­tion: 0 mark

Part A is there­fore the most impor­tant sec­tion for can­di­dates because it car­ries 80% of the writ­ten exam­i­na­tion marks.

Part B – Aptitude / Ability Test

Part B eval­u­ates the can­di­date’s rea­son­ing and apti­tude abilities.

• Dura­tion: 30 minutes
• Max­i­mum Ques­tions: 15
• Max­i­mum Marks: 20
• Ques­tion Type: MCQ
• Neg­a­tive Mark­ing: No

The offi­cial noti­fi­ca­tion spec­i­fies ques­tions based on:

• Numer­i­cal Reasoning
• Log­i­cal Reasoning
• Dia­gram­mat­ic Reasoning
• Abstract Rea­son­ing
• Deduc­tive Reasoning

There is no neg­a­tive mark­ing in Part B.

ISRO Scientist/Engineer SC Marking Scheme 2026

Total Writ­ten Exam Marks: 100

ISRO Scientist/Engineer SC Syllabus 2026

Part A – Engineering Subject

The offi­cial 2026 noti­fi­ca­tion iden­ti­fies Part A as the Area/Discipline Spe­cif­ic sec­tion. It does not pro­vide a chap­ter-by-chap­ter syl­labus in the noti­fi­ca­tion itself. There­fore, can­di­dates should pre­pare the core sub­jects of their qual­i­fy­ing engi­neer­ing dis­ci­pline and use the offi­cial pre­vi­ous-year ques­tion papers for practice.

Electronics & Communication Engineering

Can­di­dates should focus on the major sub­jects of Elec­tron­ics & Com­mu­ni­ca­tion Engi­neer­ing, includ­ing top­ics such as:

• Elec­tron­ic Devices and Circuits
• Ana­log Electronics
• Dig­i­tal Electronics
• Sig­nals and Systems
• Com­mu­ni­ca­tion Systems
• Elec­tro­mag­net­ic Theory
• Con­trol Systems
• Net­work Theory
• Micro­proces­sors and Microcontrollers
• Dig­i­tal Sig­nal Processing
• VLSI and relat­ed core engi­neer­ing topics

Mechanical Engineering

Impor­tant areas for Mechan­i­cal Engi­neer­ing prepa­ra­tion include:

• Engi­neer­ing Mechanics
• Strength of Materials
• The­o­ry of Machines
• Ther­mo­dy­nam­ics
• Flu­id Mechanics
• Heat Trans­fer
• Man­u­fac­tur­ing Processes
• Machine Design
• IC Engines
• Refrig­er­a­tion and Air Conditioning
• Indus­tri­al Engineering
• Engi­neer­ing Materials

Computer Science Engineering

Impor­tant core Com­put­er Sci­ence areas include:

• Data Struc­tures
• Algo­rithms
• Oper­at­ing Systems
• Data­base Man­age­ment Systems
• Com­put­er Networks
• Com­put­er Orga­ni­za­tion and Architecture
• Dig­i­tal Logic
• The­o­ry of Computation
• Com­pil­er Design
• Pro­gram­ming
• Soft­ware Engineering

Note: The above sub­ject lists are prepa­ra­tion-ori­ent­ed top­ic areas, not a ver­ba­tim chap­ter-wise syl­labus pub­lished in the cur­rent ISRO noti­fi­ca­tion. The offi­cial ISRO page pro­vides pre­vi­ous-year ques­tion papers for Elec­tron­ics, Mechan­i­cal and Com­put­er Sci­ence, which can­di­dates can use to under­stand the lev­el and sub­ject coverage.

ISRO Scientist/Engineer SC Qualifying Marks

Can­di­dates must sat­is­fy the pre­scribed min­i­mum marks sep­a­rate­ly in Part A and Part B of the writ­ten examination.

Unreserved Candidates

• Part A: Min­i­mum 50%
• Part B: Min­i­mum 50%

PwBD Candidates for Reserved Posts

• Part A: Min­i­mum 40%
• Part B: Min­i­mum 40%

Can­di­dates who meet the writ­ten-test cri­te­ria are short­list­ed for inter­view based on performance.

ISRO Scientist/Engineer SC Selection Process 2026

The selec­tion process con­sists pri­mar­i­ly of:

1. Writ­ten Test / CBT
2. Inter­view
3. Final Panel/Selection

Can­di­dates are short­list­ed for the inter­view based on writ­ten-test per­for­mance in a ratio of up to 1:5, with an aggre­gate min­i­mum of 10 candidates.

ISRO Scientist/Engineer SC Interview Marks

The inter­view car­ries 100 marks and assess­es can­di­dates on sev­er­al attributes:

Final Selection Weightage

For prepa­ra­tion of the final panel:

• Writ­ten Test: 50% weightage
• Inter­view: 50% weightage

For final selec­tion, the pre­scribed aggre­gate qual­i­fy­ing require­ment is 60% for Unre­served can­di­dates and 50% for PwBD can­di­dates where the post is reserved, sub­ject to the sep­a­rate writ­ten-test and inter­view criteria.

ISRO Scientist/Engineer SC Salary 2026

Select­ed can­di­dates will be appoint­ed as Scientist/Engineer ‘SC’ in Lev­el 10 of the Pay Matrix.

• Basic Pay: ₹56,100 per month
• Oth­er applic­a­ble ben­e­fits include DA, HRA and Trans­port Allowance.
• Oth­er facil­i­ties are avail­able accord­ing to applic­a­ble Cen­tral Government/ISRO rules.

How to Apply for ISRO ICRB Scientist/Engineer SC Recruitment 2026

1. Vis­it the offi­cial ISRO website.
2. Open the ICRB Scientist/Engineer SC Recruit­ment 2026 section.
3. Read the com­plete noti­fi­ca­tion and FAQ.
4. Com­plete the online registration.
5. Enter your per­son­al and edu­ca­tion­al details carefully.
6. Upload the required doc­u­ments as instructed.
7. Pay the applic­a­ble processing/application fee.
8. Review the com­plete appli­ca­tion before final submission.
9. Sub­mit the appli­ca­tion form before 16 Sep­tem­ber 2026.
10. Save or print the sub­mit­ted appli­ca­tion for future reference.

The offi­cial ISRO recruit­ment page pro­vides the appli­ca­tion por­tal and the com­plete notification.

ISRO ICRB Scientist/Engineer SC 2026 Previous Year Papers

ISRO has pro­vid­ed pre­vi­ous-year ques­tion papers for:

• Com­put­er Sci­ence – 2023
• Com­put­er Sci­ence – 2025
• Elec­tron­ics – 2023
• Elec­tron­ics – 2025
• Mechan­i­cal – 2023
• Mechan­i­cal – 2025

These papers can be use­ful for under­stand­ing the ques­tion style and dif­fi­cul­ty lev­el while prepar­ing for the 2026 examination.

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