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RRB Isolated Categories 2025: Answer Key

Conducted By: RRB
Post Date/Update : November 6, 2026 12:18 pm
Short Notice :- Railway Recruitment Boards have released Centralised Employment Notice (CEN) No. 08/2025 for recruitment to various posts of Isolated Categories in Zonal Railways and Production Units of Indian Railways. A total of 312 vacancies are notified for Chief Law Assistant, Public Prosecutor, Junior Translator (Hindi), Senior Publicity Inspector, Staff and Welfare Inspector, Scientific Assistant (Training), Lab Assistant Grade III (Chemist & Metallurgist) and Scientific Supervisor (Ergonomics and Training). 
Important Dates & Application Fee
Important Dates
  • Online Start Date: 30.12.2025
  • Last Date for Apply : 29.01.2026
  • Last Date Fee Payment : 31.01.2026
  • Form Correction / Modified Date : 01 – 10.02.2026
  • pplication Status : 11.05.2026
  • Exam Date : 14-15.07.2026
  • Exam City Details : 04.07.2026
  • Admit Card Available : 10.07.2026
  • Answer Key : 31.07.2026
Application Fee
  • General, OBC, EWS : Rs. 500/-
  • SC, ST, PH : Rs. 250/-
  • All Category Female : Rs. 250/-
  • Fee Refund (After Appearing in Stage I Exam)
  • General, OBC, EWS, : Rs. 400/-
  • SC, ST, PH : Rs. 250/- All Category Female : Rs. 250/-
  • Candidates have to pay their Examination Fee Through Debit Card / Credit Card / Net Banking / UPI and Other Fee Payment Mode Only.
Eligibility / Qualification Details

Chief Law Assistant: University Degree in Law with 3 years standing practice as a Pleader at Bar; serving Railway employees who are Law Graduates may also apply subject to the prescribed 5 years Railway service condition.

Public Prosecutor: Bachelor’s Degree in Law from a recognized University with 5 years standing as an Advocate at Bar.

Junior Translator (Hindi): Prescribed Master’s Degree qualification in Hindi/English or another subject with Hindi/English as prescribed, along with a recognized Diploma/Certificate in translation or 2 years translation experience.

Senior Publicity Inspector: Degree from a recognized University and Diploma in Public Relations/Advertising/Journalism/Mass Communication; 2 years related experience is desirable.

Staff and Welfare Inspector: Graduation plus prescribed qualification such as Diploma in Labour/Social Welfare, Diploma in Labour Laws, LLB with Labour Law papers, PG Diploma in Personnel Management, MBA with Personnel Management, MBA/HR or PG Diploma in Human Resource Management with relevant papers.

Scientific Assistant (Training): Second Class Master’s Degree in Psychology with 1 year experience in administration of psychological tests.

Lab Assistant Grade III (Chemist & Metallurgist): 12th (+2) or equivalent with Physics and Chemistry as subjects.

Scientific Supervisor (Ergonomics and Training): Second Class Master’s Degree in Psychology or Physiology with the prescribed experience in psychological testing/research/training. 

Age Limit Details
  • Age Limit As On 01 January 2026
  • Minimum Age : 18 Years
  • Maximum Age : 30-40 Years (Post Wise)
  • Age Relaxation as per RRB Ministerial & Isolated Category Recruitment Rules.
Vacancy Details Total: 312 Posts
Post Name Total Post Qualification
Chief Law Assistant 22 A law degree from a recognized university with a minimum of 3 years of standing practice as a pleader at the bar.
Public Prosecutor 07 A Degree or Diploma in Public Relations, Advertising, Journalism, or Mass Communication.
Junior Translator(Hindi) 202 A Master’s degree in Hindi or English, with Hindi and English as compulsory subjects at the undergraduate level.
Senior Publicity Inspector 15 A Degree or Diploma in Public Relations, Advertising, Journalism, or Mass Communication, along with 2 years of relevant experience.
Staff and Welfare Inspector 24 A Bachelor’s degree along with a Diploma or LLB specializing in Labor Laws.
Scientific Assistant (Training) 02 Candidates must possess a Master’s degree in Psychology along with one year of relevant experience.
Lab Assistant Gr.III (Chemist & Metallurgist) 39 Completed 10+2 (Intermediate) with Science subjects (Physics and Chemistry) and holds a Diploma or Certificate in Laboratory Technology.
Scientific Supervisor/Ergonomics and Training 01 Second Class Masters Degree in Psychology or Physiology. Two years experience in Administration of Psychological Tests of Mental abilities and Personality. OR Two years research in Work Psychology. OR Two years experience in Developing Training Module or Conducting Training Programme. Desirable: Specialization in Industrial Psychology, Ergonomics / Counseling with knowledge of Statistics and Computers
How to Apply
 Candidates must apply online only through the official website of an RRB. A candidate can apply to only one RRB and submit only one common application for the notified posts for which they are eligible. Candidates must first create an account, complete the application, upload the required details/documents, select post/zone preferences, pay the prescribed fee and submit the application.
Important Links + PDFs
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Check Application Status: 👉 Click Here
Apply Online: 👉 Click Here
Official Notification: 👉 Download Here
Official Website: 👉 Click Here
Other Details

Candidates waiting for the final result of the prescribed qualification after 29/01/2026 are not eligible. Only one RRB can be selected, and selecting more than one RRB or submitting multiple applications can lead to rejection and debarment. Vacancies are provisional and may increase, decrease or become NIL depending on Railway Administration requirements.

Pay Scale / Salary: Chief Law Assistant – Level 7, ₹44,900; Public Prosecutor – Level 7, ₹44,900; Junior Translator (Hindi) – Level 6, ₹35,400; Senior Publicity Inspector – Level 6, ₹35,400; Staff and Welfare Inspector – Level 6, ₹35,400; Scientific Assistant (Training) – Level 6, ₹35,400; Lab Assistant Grade III – Level 2, ₹19,900; Scientific Supervisor (Ergonomics and Training) – Level 7, ₹44,900 initial pay as per 7th CPC Pay Matrix.

Eligibility / Medical Standard: Candidates must possess the prescribed qualification by the closing date 29/01/2026. Medical standards are post-specific: Chief Law Assistant/Public Prosecutor/Senior Publicity Inspector/Staff and Welfare Inspector – C1; Junior Translator – C2; Scientific Assistant/Scientific Supervisor/Lab Assistant – B1. Candidates must satisfy the prescribed medical fitness requirements before appointment.


Selection Process: Single Stage Computer Based Test (CBT) → Translation Test (for Junior Translator Hindi) → Document Verification → Medical Examination. RRB may conduct an additional CBT if considered necessary. For Junior Translator, candidates shortlisted for the Translation Test are called up to 10 times the vacancies based on CBT merit, and the Translation Test is qualifying with 60% qualifying marks.

Exam Pattern: For all posts except Junior Translator (Hindi), CBT consists of 100 Questions / 100 Marks / 90 Minutes, including Professional Ability – 50, General Awareness – 15, General Intelligence & Reasoning – 15, Mathematics – 10 and General Science – 10. There is 1/3 negative marking for each wrong answer. For eligible scribe candidates, duration is 120 minutes. Junior Translator CBT tests Hindi and English language along with General Knowledge, General Intelligence, Simple Arithmetic and Computer basics, followed by the qualifying Translation Test.

Syllabus: CBT includes Mathematics, General Intelligence & Reasoning, General Awareness and General Science, along with Professional Ability related to the concerned post. Mathematics includes Number System, BODMAS, Decimals, Fractions, LCM/HCF, Ratio, Percentage, Mensuration, Time & Work, Time & Distance, Interest, Profit & Loss, Algebra, Geometry, Trigonometry and related topics. General Awareness includes Current Affairs, Indian Geography, History, Freedom Movement, Polity, Constitution, Economy, Environment, Sports and Scientific/Technological developments. General Science covers Physics, Chemistry and Life Sciences up to 10th standard CBSE level. Professional Ability syllabus is prescribed separately for each post in Annexures VII–XIV.

Reservation / Horizontal Reservation: Reservation is applicable for SC, ST, OBC-NCL and EWS as per Government of India rules. Horizontal reservation is provided for Ex-Servicemen (ExSM) and Persons with Benchmark Disabilities (PwBD) wherever applicable. 

Important Note: Candidates are advised to read the official CEN 08/2025 carefully for detailed information regarding post-wise qualification, age limit, medical standards, reservation, syllabus, examination pattern, documents and other conditions. Exams247.in is not responsible for any error, omission or subsequent change made by the Railway Recruitment Boards.