What are RRB NTPC photo specifications?

RRB NTPC: JPG format, 3.5cm × 4.5cm (approximately 200×230 px), file size 15–40 KB, white/light background, plain front-facing without cap, ears visible.

What are RRB NTPC signature specifications?

RRB NTPC signature: JPG format, approximately 3.5cm × 1.5cm (140×60 px), file size 10–20 KB, black/blue ink on white paper.

Do different RRBs have different photo requirements?

All 21 RRBs follow the same centrally notified specifications for NTPC, Group D, and other exams. Use any RRB preset in our tools — the specs are identical.

Can I use spectacles in my RRB exam photo?

No. RRB guidelines explicitly prohibit spectacles/sunglasses in application photos. If you normally wear glasses, take them off for the application photo.

How do I get my RRB certificate files under 500 KB?

Use the AI PDF Compressor with the "Railway Portals" preset to reduce document scans to under 500 KB while maintaining legibility.

RRB and RRC Railway Recruitment Board Exams

Railway Recruitment Boards (RRBs) and Railway Recruitment Cells (RRCs) conduct NTPC, Group D, ALP, JE, and other exams for lakh of vacancies annually. Among the most popular government exams with specific digital photo requirements.

6 Examinations

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Updated March 2026

All Railway Exams Examinations

Click any exam to see detailed photo, signature & document specifications.

RRB ALP

Railway Exams

Recruits Assistant Loco Pilots (ALP) who assist in driving trains. The selection process includes CB …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

RRB Group D

Railway Exams

Largest railway recruitment in terms of vacancies — covering Track Maintainer Grade-IV, Helper/Assis …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

RRB JE

Railway Exams

Recruits Junior Engineers (JE) and Junior Engineer (Information Technology) across Civil, Electrical …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

RRB Ministerial & Isolated Categories

Railway Exams

Covers diverse posts not covered by other RRB exams — Staff & Welfare Inspector, Teacher (various su …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

RRB NTPC

Railway Exams

One of the largest railway recruitment drives — covers Graduate and Undergraduate level posts like S …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

RRB Paramedical

Railway Exams

Recruits health & medical staff for Indian Railways — Health & Malaria Inspector, Hospital Attendant …

Photo: 3.5×4.5 cm Max: 500KB Signature: 3.5×1.5 cm

Photo & Signature Specs at a Glance

Quick comparison across all Railway Exams exams.

Exam	Photo Size	Photo Max KB	Signature Size	Signature Max KB	Background
RRB ALP	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background
RRB Group D	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background
RRB JE	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background
RRB Ministerial & Isolated Categories	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background
RRB NTPC	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background
RRB Paramedical	3.5×4.5 cm	500 KB	3.5×1.5 cm	500 KB	White or light plain background

Common Railway Exams Questions

: RRB NTPC: JPG format, 3.5cm × 4.5cm (approximately 200×230 px), file size 15–40 KB, white/light background, plain front-facing without cap, ears visible.
: RRB NTPC signature: JPG format, approximately 3.5cm × 1.5cm (140×60 px), file size 10–20 KB, black/blue ink on white paper.
: All 21 RRBs follow the same centrally notified specifications for NTPC, Group D, and other exams. Use any RRB preset in our tools — the specs are identical.
: No. RRB guidelines explicitly prohibit spectacles/sunglasses in application photos. If you normally wear glasses, take them off for the application photo.
: Use the AI PDF Compressor with the "Railway Portals" preset to reduce document scans to under 500 KB while maintaining legibility.