The Railway Recruitment Board (RRB) conducts some of the largest competitive examinations in India, including NTPC, Group D, ALP, and JEE. Due to the high volume of applications, the board uses automated systems to screen uploads. Ensuring your photo and signature meet the exact specifications is essential to prevent application rejection.
RRB NTPC Photo Requirements
When applying for RRB NTPC posts, your photo must comply with the following standards:
- Dimensions: 3.5cm wide × 4.5cm tall.
- File Size: Strictly between 20KB and 50KB.
- Format: JPEG/JPG format only.
- Background: Solid white or light background.
- Details: Face must occupy 70% of the frame, looking straight into the camera. No caps, sunglasses, or uniforms.
RRB Group D Photo Requirements
The specifications for RRB Group D are the same as NTPC, requiring a 3.5cm x 4.5cm photo between 20KB and 50KB.
RRB ALP Photo Requirements
Assistant Loco Pilot (ALP) applications follow the same guidelines, requiring a 20KB-50KB JPEG photo.
RRB Signature Requirements
Your signature block must fit these standards:
- Dimensions: 3.5cm wide × 1.5cm tall.
- File Size: Between 10KB and 40KB.
- Format: JPEG/JPG format only.
- Details: Sign on white paper with a black ink pen. Do not sign in CAPITAL letters.
How to Resize Photo to 50KB for RRB Application
Use ResizeKB to format your RRB application photo quickly at home:
- Go to our Resize Image to 50KB tool.
- Upload your cropped photo.
- The tool compresses the file to fit under 50KB while keeping details clear. Download the final copy.
RRB Photo Rejection — Most Common Reasons
The most common reasons for RRB photo rejections include:
- File size exceeds 50KB.
- Colored or dark backgrounds.
- Low resolution or blurry photos.
- Wearing sunglasses, caps, or uniforms.
- Signatures written in CAPITAL letters.
- Photos older than 3 months.
Frequently Asked Questions
No. The portal specifies a plain white or very light background. Colored backgrounds are a common cause of rejection.
You will receive a notification to modify your application during the official correction window. Check the portal regularly for updates.
Upload your image to our Resize to 50KB tool page, and the engine will optimize the file size to fit the portal's limit.
No, candidates should wear casual clothing. Uniforms are not allowed in application photos.
Yes. If selected, you must bring identical physical copies of the uploaded photo for your medical examination and document verification.
State-Specific Requirements
Select your state to view the detailed exam specifications and photo instructions tailored for local applicants: