Official Guide 2026
How to Apply for RRB RPF SI (Sub-Inspector)
Step-by-Step Guide (2026)
Every year, thousands of Railway Recruitment Board applications are rejected due to incorrect photograph and signature formats. Follow this strict guide to ensure your registration is accepted.
Updated for 2026 Exams
Based on Official RRB Notification
100% Private – No Data Leaves Your Device
1 Register on the Official Portal
All RRB applications start on the official recruitment portal. Ensure you are on the correct, government-operated website.
Visit www.rrbapply.gov.in NEVER share your login credentials, OTP, or payment details with third parties. RRB will never call you asking for these.
2 Upload Photograph
Strict Photo Rules for RRB
- File size: 30KB – 70KB
- Background: white
- • CRITICAL NEW RULE: RRB strictly requires a LIVE PHOTO CAPTURE via webcam or mobile front camera.
- • Pre-existing printed/digital photographs are strictly prohibited and will lead to immediate rejection.
- • Dress in NON-WHITE clothing (preferably dark colors) to maintain contrast with the white background.
- • Face must be centered, occupying at least 50% of the photo area, with a neutral expression.
- • No caps, masks, or glasses/spectacles are allowed during the live capture.
3 Upload Signature
Strict Signature Rules for RRB
- File size: 30KB – 49KB
- Ink color: black
- • CRITICAL: Sign on plain white paper with a BLACK ink pen ONLY. Blue ink will be rejected.
- • Signature must be in running/cursive handwriting. BLOCK, CAPITAL, or DISJOINTED letters will result in immediate rejection.
- • Scan the signed paper using a minimum resolution of 100 DPI.
- • PwBD candidates unable to sign may upload a scanned fingerprint (Left/Right thumb or any feasible finger).
4 Review & Submit Application
- Double-check name spelling exactly as it appears on your 10th Marks card.
- Ensure category selection (General, OBC, SC, ST, EWS) is correct as it cannot be changed later.
- Save the final Application Form PDF and Payment Receipt PDF immediately after submission.
Next Steps for RPF SI (Sub-Inspector)
Continue preparing your application documents with official specifications.