
CSIR CSIO Scientist Recruitment 2025: CSIR-Central Scientific Instruments Organisation (CSIO), Chandigarh has issued the official Advertisement No. Regular 2/2025 for the recruitment of Scientists in various disciplines. This prestigious opportunity is aimed at enthusiastic Indian nationals who aspire to pursue a career in research, development, and innovation in measurement sciences and instrumentation technologies.
A total of 17 Scientist vacancies are available across multiple categories and fields, including Computer Science, Electronics, Mechanical Engineering, Physics, and Photonics. Interested and eligible candidates can apply online from 11 July 2025 to 11 August 2025 (5:00 PM) via the official CSIO website www.csio.res.in.
CSIR CSIO Scientist Recruitment 2025 Overview
CSIR CSIO Scientist 2025 Important Dates
CSIR CSIO Scientist 2025 Application Fee
CSIR CSIO Scientist 2025 Vacancies & Eligibility
CSIR CSIO Scientist 2025 Age Limit
The maximum age limit is 32 years as on 11 August 2025. Age relaxations:
- SC/ST: 5 years
- OBC (NCL): 3 years
- PwBD (UR): 10 years (up to 15 years for SC/ST, 13 years for OBC)
- CSIR/Govt employees: Up to 5 years (as per rules)
- Widows/divorced women: Up to 35 years (UR), 40 years (SC/ST)
CSIR CSIO Scientist 2025 Selection Process
- Shortlisting
- Interview Test
- Documents Verification
- Medical Test
How to Apply for CSIR CSIO Scientist 2025
Eligible candidates must apply online via www.csio.res.in in three steps:
- Online Registration
- Fee Payment (if applicable)
- Application Submission
After final submission, candidates should download a copy for their records. No need to send the hard copy. Required documents (photograph, signature, qualifications, caste, etc.) must be uploaded online. One can apply for multiple postcodes by submitting separate applications and fees.
CSIR CSIO Scientist Recruitment 2025 Important Links

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