ISRO Technical Assistant & Technician-B 2025: Apply Online Dates & Process

The Indian Space Research Organisation (ISRO) has released the official ISRO Recruitment 2025 notification for Technical Assistant and Technician-B posts under the Physical Research Laboratory (PRL), Ahmedabad. Candidates interested in this opportunity can now apply online. via PRL portal Below we covers the complete ISRO application process, apply dates, eligibility check, and important instructions for 2025 recruitment.

ISRO Technical Assistant Recruitment 2025 Highlights

ISRO 2025 Notification PDF for Technical Assistant & Technician-B Posts

Candidates can download the official ISRO Recruitment 2025 notification PDF for Technical Assistant and Technician-B posts directly from the link provided below. The PDF contains complete details on eligibility, vacancies, pay scale, selection process, and application procedure, helping applicants to apply online confidently and avoid any mistakes.

ISRO Technical Assistant & Technician-B Apply Online 2025 Date

The ISRO online application process 2025 for Technical Assistant and Technician-B posts begins on 04th October 2025 at 10:00 AM and will remain active until 31st October 2025 at 11:59 PM. Candidates must complete their online registration, application form submission, and fee payment within this period. The PRL OPAR portal is the official platform for applying, and no offline applications will be accepted.

ISRO Technical Assistant & Technician-B 2025 Important Dates

Candidates are advised to apply early to avoid last-minute server issues. Incomplete or late applications will be rejected.

ISRO Technical Assistant and Technician-B Application Process 2025 – Steps, Fee

All applications for ISRO Technical Assistant and Technician-B recruitment 2025 will be accepted online only. Candidates are required to register and submit applications on the PRL OPAR portal.

Steps to Apply Online:

1. Visit the official PRL recruitment portal: https://www.prl.res.in/OPAR
2. Register with a valid email ID and mobile number.
3. Fill in personal details, educational qualifications, and category information accurately.
4. Upload required documents:

5. • Caste certificate (SC/ST/OBC-NCL/EWS) for reserved categories

   • PwBD certificate for persons with benchmark disability

   • Ex-serviceman discharge certificate

   • Diploma/Degree/ITI/NTC/NAC certificate

6. Pay the application fee online or via SBI challan (offline mode).
7. Review the application thoroughly before submission. Multiple applications for the same post will be rejected.
8. After submission, download the filled-in application and registration number for future reference.

ISRO Technical Assistant & Technician-B Application Fee 2025

Technical Assistant (Post Codes 1 to 5):

• Non-refundable fee: ₹250/-
• Initially paid: ₹750/- (including fee-exempted candidates)
• Refunds: Full for Women/SC/ST/PwBD/Ex-servicemen; ₹500/- for UR/EWS/OBC if appearing in the written test.

Technician-B (Post Codes 6 to 12):

• Non-refundable fee: ₹100/-
• Initially paid: ₹500/-
• Refunds: Full for Women/SC/ST/PwBD/Ex-servicemen; ₹400/- for UR/EWS/OBC if appearing in the written test.

Payment Methods:

• Online: Internet Banking, Debit/Credit Card, UPI, Wallet
• Offline: SBI Challan at nearest branch
• Deadline: 31st October 2025 for online, 7th November 2025 for offline

Note: Payment via cash remittance, cheque, draft, IPO, or money order is not allowed.

Mandatory Documents for ISRO Technical Assistant & Technician-B Online Application 2025

1. Educational Certificates:

   • Diploma/Degree/ITI/NTC/NAC certificates in the relevant trade or discipline.

   • Mark sheets of qualifying exams.

2. Caste Certificate (if applicable):

   • SC/ST/OBC(NCL)/EWS certificate in the prescribed format for Central Government jobs.

3. PwBD Certificate (if applicable):

   • Persons with Benchmark Disabilities (40% and above) certificate issued by an appropriate Medical Authority/Board.

4. Ex-Serviceman Certificate (if applicable):

   • Self-attested copy of discharge certificate.

5. Passport-size Photograph:

   • Recent color photograph as per specifications in the notification.

6. Signature:

   • Scanned signature in the prescribed format.

7. Valid Email ID & Mobile Number:

   • For communication, call letters, and notifications.

8. Bank Account Details (IFSC Code) for Refund of Application Fee:

   • Mandatory to receive application fee refund (for fee-exempted candidates).

9. Scribe/Reader Certificate (if applicable):

   • For PwBD candidates who require a scribe or reader during the examination.

10. Other Supporting Documents:

    • Any additional certificates or documents specified in the official notification (e.g., age proof, experience certificate if required).

ISRO Technical Assistant & Technician-B 2025 – Points to Remember

• Apply separately for Technical Assistant and Technician-B posts if applying for both.
• Separate fees are required for each post.
• Written tests for Technical Assistant and Technician-B will be conducted in separate sessions: morning for Technical Assistants, afternoon for Technician-B posts.
• Keep a valid email ID and mobile number for communication and hall tickets.
• Download the official notification PDF for full details.