RPSC Assistant Director & Senior Scientific Officer Exam 2025-26: Complete Guide

Overview of RPSC Assistant Director & Senior Scientific Officer Exam

The Rajasthan Public Service Commission (RPSC) conducts the Assistant Director (DNA Division) & Senior Scientific Officer (Various Divisions) recruitment exam under the Rajasthan Forensic Science Service Rules, 1979. This exam fills 28 permanent positions in the State Forensic Science Laboratory, Jaipur, across specialized divisions such as DNA, Serology, Narcotics, Biology, and Chemistry. The selection process is based on a written examination, followed by document verification and appointment as per merit.

RPSC Assistant Director & Senior Scientific Officer Exam: Highlights

• Assistant Director (DNA Division) – 8 posts
• Senior Scientific Officer (DNA Division) – 12 posts
• Senior Scientific Officer (Serology Division) – 3 posts
• Senior Scientific Officer (Narcotics Division) – 1 post
• Senior Scientific Officer (Biology Division) – 2 posts
• Senior Scientific Officer (Chemistry Division) – 2 posts | | Pay Matrix Level |
• Assistant Director: Level L-16
• Senior Scientific Officer: Level L-15 | | Probation Period Salary | Fixed monthly pay as per Rajasthan Government rules | | Age Limit (as of 01.01.2027) | Minimum: 21 years, Maximum: 40 years (Relaxation applicable for reserved categories) | | Application Mode | Online via RPSC Official Website or SSO Portal | | Selection Process | Written Examination (Objective Type) | | Exam Duration | 2 hours 30 minutes | | Negative Marking | 1/3rd mark deducted for each wrong answer | | Official Notification Date| 23 December 2025 |

Quick Links

• Important Dates
• Eligibility Criteria
• Vacancy Details
• Exam Pattern & Syllabus
• How to Apply
• Application Fee
• Reservation Policy
• Age Relaxation
• Document Verification

Important Dates

Note: Candidates are advised to regularly check the RPSC official website for updates on exam dates and admit card release.

Eligibility Criteria

Educational Qualifications

1. M.Sc. with at least Second Division in Zoology / Molecular Biology / Biotechnology / Biochemistry / Microbiology / Genetics from a recognized university OR
2. M.Sc. with at least Second Division in Forensic Science with specialization in Forensic Biology / Serology / DNA (minimum 6-month specialization course in III or IV semester) AND Zoology / Molecular Biology / Biotechnology / Biochemistry / Microbiology / Genetics as a subject at Bachelor’s level.
3. Certificate / Diploma in Computer Science / Computer Application or a degree with Computer Science as a subject OR ‘O’ Level or higher from NIELIT (DOEACC).
4. 3 years of experience in Forensic DNA in a State/Central Government Forensic Science Laboratory (FSL) or equivalent experience in a public undertaking/corporation. | | Senior Scientific Officer (DNA Division) |
5. M.Sc. with at least First Division in Zoology / Molecular Biology / Biotechnology / Biochemistry / Microbiology / Genetics from a recognized university OR
6. M.Sc. with at least First Division in Forensic Science with specialization in Forensic Biology / Serology / DNA (minimum 6-month specialization course in III or IV semester) AND Zoology / Molecular Biology / Biotechnology / Biochemistry / Microbiology / Genetics as a subject at Bachelor’s level.
7. Certificate / Diploma in Computer Science / Computer Application or a degree with Computer Science as a subject OR ‘O’ Level or higher from NIELIT (DOEACC).
8. 2 years of experience in Forensic DNA in a State/Central Government FSL or equivalent experience in a public undertaking/corporation. | | Senior Scientific Officer (Serology & Biology Division) |
9. M.Sc. with at least First Division in Zoology / Molecular Biology / Biotechnology / Biochemistry / Microbiology / Genetics from a recognized university OR
10. M.Sc. with at least First Division in Forensic Science with specialization in Forensic Biology / Serology (minimum 6-month specialization course in III or IV semester) AND Forensic Biological Science / Zoology / Botany as a subject at Bachelor’s level.
11. Certificate / Diploma in Computer Science / Computer Application or a degree with Computer Science as a subject OR ‘O’ Level or higher from NIELIT (DOEACC).
12. 2 years of experience in a State/Central Government FSL or equivalent experience in a public undertaking/corporation. | | Senior Scientific Officer (Narcotics & Chemistry Division) |
13. M.Sc. with at least First Division in Chemistry from a recognized university OR
14. M.Tech / M.E. with at least First Division in Chemical Engineering from a recognized university OR
15. M.Sc. with at least First Division in Forensic Science with specialization in Forensic Chemistry / Toxicology / Narcotics (minimum 6-month specialization course in III or IV semester) AND Chemistry / Forensic Chemistry as a subject at Bachelor’s level.
16. Certificate / Diploma in Computer Science / Computer Application or a degree with Computer Science as a subject OR ‘O’ Level or higher from NIELIT (DOEACC).
17. 2 years of experience in a State/Central Government FSL or equivalent experience in a public undertaking/corporation. |

Additional Requirements for All Posts

• Working knowledge of Hindi written in Devnagari Script.
• Knowledge of Rajasthan Culture.

Note: Required experience must be acquired by the last date of online application submission.

Vacancy Details

Post-wise Vacancies

Horizontal Reservation

• Ex-Servicemen: 0 posts across all categories.
• Persons with Disabilities (PwD): 0 posts across all categories (as per notification).

Note: Vacancies are subject to increase or decrease as per departmental requirements.

Exam Pattern & Syllabus

Exam Pattern

• Mode: Offline/Online (Objective Type).
• Total Questions: 150
• Total Marks: 150
• Duration: 2 hours 30 minutes
• Subject: Concerned subject as prescribed in the qualifications (e.g., DNA, Serology, Chemistry).
• Negative Marking: 1/3rd mark deducted for each wrong answer.

Syllabus

Will be updated when available. The detailed syllabus will be released separately on the RPSC official website.

How to Apply for RPSC Assistant Director & Senior Scientific Officer Exam

Step-by-Step Application Process

1. Read Official Notification: Carefully read the detailed advertisement, service rules, and instructions for applicants available on the RPSC website.

2. One Time Registration (OTR):

   • Visit the SSO Portal and log in.
   • Select Recruitment Portal under Citizen Apps (G2C).
   • Complete One Time Registration (OTR) by providing details such as name, father’s name, date of birth, gender, banking details, equivalent examination, and Aadhaar card details. Upload required documents.
   • Note: OTR details (name, father’s name, DOB, gender) cannot be modified later.

3. Fill Online Application Form:

   • After OTR, log in to the Recruitment Portal using your OTR number.
   • Select the RPSC Assistant Director & Senior Scientific Officer Exam 2025-26.
   • Fill in personal, educational, and experience details accurately.
   • Upload a live photograph, signature, and left thumb impression (scanned).
   • Preview the application to ensure all details are correct before submission.

4. Pay Application Fee:

   • Pay the one-time registration fee online via the portal. Fee details are provided in the Application Fee section.

5. Submit Application:

   • Submit the application form and note down the application number for future reference.
   • Take a printout of the submitted application form.

6. Application Correction (if needed):

   • Corrections can be made within 10 days after the application end date by paying a fee of ₹500.
   • No corrections will be allowed after this period.

Important Notes for Applicants

• Separate Applications: If applying for multiple posts, submit separate applications for each post.
• Mobile Number & Email: Provide an active mobile number and email ID for future communications.
• Document Upload: Upload experience certificates in the prescribed format (available in the notification).
• Live Photograph: Ensure the photograph is clear and recent (not older than 3 years).
• Scribe Facility: Candidates with disabilities can avail scribe facility by submitting required medical certificates at least 2 days before the exam.

Application Fee

Additional Fee for Application Correction

• ₹500 for corrections made within the allowed period.

Fee for Unblocking OTR (if absent in exams)

• ₹750 for unblocking OTR after 2 absences in a financial year (April-March).
• ₹1500 for unblocking OTR after 4 absences in a financial year.

Note: Candidates from states other than Rajasthan must pay the General category fee.

Reservation Policy

Vertical Reservation

• Scheduled Castes (SC): 16%
• Scheduled Tribes (ST): 12%
• Other Backward Classes (OBC): 21%
• More Backward Classes (MBC): 5%
• Economically Weaker Sections (EWS): 10%
• General (UR): Remaining vacancies

Horizontal Reservation

• Women: 30% of vacancies in each category (including widow, divorcee, and abandoned women).
• Ex-Servicemen: As per Rajasthan Civil Services (Absorption of Ex-servicemen) Rules, 1988.
• Persons with Disabilities (PwD): As per Rajasthan Rights of Persons with Disabilities Rules, 2018.

Note: Reservation benefits are only for Rajasthan state domiciles. Candidates from other states must apply under the General category.

Age Relaxation

Note: Age relaxation is non-cumulative. Only one relaxation can be availed. PwBD candidates can avail additional 5 years after applying other relaxations.

Document Verification

Candidates shortlisted after the written exam must submit the following documents for verification:

Mandatory Documents

1. Educational Certificates: Mark sheets and degrees for all qualifications mentioned in the application.
2. Experience Certificates: In the prescribed format (available in the notification).
3. Caste Certificate (if applicable):
   • For SC/ST/OBC/MBC/EWS, issued by a competent authority in Rajasthan.
   • For OBC/MBC, must include non-creamy layer status and parental income details.
   • For married women, caste certificate must be based on father’s details.
4. Domicile Certificate: For candidates claiming Rajasthan state reservation benefits.
5. Age Proof: Birth certificate or Class 10 mark sheet.
6. Aadhaar Card: For identity verification.
7. Disability Certificate (if applicable): Issued by a competent medical authority (40% or more disability).
8. Ex-Servicemen Certificate (if applicable): Discharge certificate and NOC from the competent authority.
9. Widow/Divorcee/Abandoned Women Certificate (if applicable):
   • Widow: Husband’s death certificate and link documents (e.g., marriage certificate, ration card).
   • Divorcee/Abandoned: Court decree (as per Rajasthan High Court judgment).
10. Character Certificate: From the last attended educational institution.
11. Police Verification Certificate: To be submitted after selection.
12. Medical Certificate: Issued by a competent medical authority confirming fitness for government service.
13. No Objection Certificate (NOC): For candidates already in government service.
14. Marriage Registration Certificate: Mandatory for all candidates (as per Rajasthan Government rules).
15. Affidavit for Two-Child Policy: For candidates with more than two children born after 01.06.2002.

Note: All documents must be self-attested and submitted in the prescribed format. Original documents will be verified at the time of appointment.

Final Selection Process

1. Written Examination: Objective-type test based on the concerned subject.
2. Merit List: Prepared based on marks obtained in the written exam.
3. Document Verification: Shortlisted candidates must submit original documents for verification.
4. Appointment: Final appointment is subject to medical fitness and police verification.

Note: RPSC’s decision on eligibility and selection is final and binding.