RRB NTPC Photo and Signature Size 2026: Guidelines, Format & Upload Rules

Uploading a photograph and signature in the correct format is an important part of the RRB NTPC application process. Candidates must follow the specified image requirements to avoid errors or rejection during application submission.

The RRB NTPC Photo and Signature Size guidelines for 2026 include an important change in the photograph submission process. For CEN 06/2026 (Graduate) and CEN 07/2026 (Undergraduate), candidates must capture their photographs live through a webcam or mobile phone camera instead of uploading a previously saved photograph.

However, the signature must still be uploaded as an image file that meets the prescribed size and dimension requirements.

Understanding these instructions before starting the application can help candidates prepare their signature file and complete the upload process correctly.

RRB NTPC Photo and Signature Size 2026 Key Highlights

Candidates should understand the photograph and signature requirements before filling out the RRB NTPC application form. The photograph is captured directly through the application portal, while the signature must be prepared and uploaded separately.

The following table provides an overview of the important specifications.

Candidates must follow these specifications while preparing their application documents. In particular, the signature file must remain within the prescribed size range and meet the minimum dimension requirements.

RRB NTPC Live Photo Capture 2026 Guidelines

The photograph submission process has changed for the 2026 recruitment cycles. Candidates applying under CEN 06/2026 and CEN 07/2026 must capture their photographs directly through the official RRB application portal.

The RRB NTPC live photo upload process does not require candidates to upload a previously saved passport-size photograph. Instead, the portal uses a webcam or mobile phone's front camera to capture the candidate's photograph during application submission.

Candidates should prepare their surroundings before starting the capture process. Following the instructions carefully helps ensure that the photograph meets the prescribed requirements.

Important Instructions for Live Photo Capture

Candidates should follow these instructions while capturing their photographs:

1. Background: Stand against a solid, plain white or off-white background. Avoid backgrounds with patterns, objects or other distractions.

2. Attire: Wear dark or contrasting clothes instead of white clothing. This helps the face and shoulders remain clearly visible against the light background.

3. Posture: Look directly into the camera while maintaining a neutral facial expression. Both eyes should remain open during the capture.

4. Lighting: Ensure that the room has even lighting. Avoid direct glare and shadows on the face or behind the head.

5. Headgear and Accessories: Do not wear caps, hats, masks, tinted glasses or other headgear. Headgear worn for religious reasons is permitted, provided the full face remains visible.

6. Camera Position: Use the webcam or mobile front camera as instructed by the application portal.

Photograph Capture Restrictions

One important restriction applies to the live photograph process. Candidates must not capture an image of an existing physical photograph or a photograph displayed on a mobile or computer screen.

Photographing a printed passport-size picture or displaying an existing image in front of the camera is strictly prohibited. Such submissions can lead to immediate rejection.

Candidates should therefore capture their own photographs directly through the application portal rather than using an existing image.

RRB NTPC Signature Upload Specifications (Step-by-Step)

Unlike the photograph, the signature must be uploaded as a digital image file. Candidates should prepare the signature according to the prescribed format, size, and dimensions before submitting their applications.

The RRB NTPC signature size kb requirement is between 30 KB and 49 KB. The image must also meet the minimum dimensions and resolution specifications.

Technical Requirements for Signature Upload

The following table explains the signature specifications.

The RRB NTPC signature dimensions must be at least 140 pixels in width and 60 pixels in height. Candidates should also ensure that the scanned image is clear and readable.

How to Prepare the Signature

Candidates should follow these steps while preparing their signature file:

1. Take a clean, unruled sheet of white paper.

2. Draw a box measuring 35 mm × 20 mm on the paper.

3. Use a black ballpoint pen to write the signature inside the box.

4. Write the signature in running handwriting with joined letters.

5. Avoid writing the name in capital or block letters.

6. Scan the signature and crop the image around the box.

7. Remove unnecessary white space and margins while cropping the image.

The signature should remain clear after scanning. Candidates should ensure that the uploaded image represents the signature they will use on the examination attendance sheet.

Top 6 Reasons RRB Rejects Photos & Signatures

Candidates may face application rejection if their uploaded signature or captured photograph does not follow the RRB NTPC Eligibilty instructions. Understanding common rrb ntpc photo reject reasons can help candidates avoid mistakes during the application process.

The following are six issues candidates should check before submitting their applications.

1. Block Letters in Signature: Writing the name in capital or block letters instead of running handwriting is not permitted. For example, candidates should avoid writing RAHUL SHARMA in block letters.

2. Incorrect Ink or Paper: Using blue ink, gel ink that bleeds or ruled notebook paper can make the signature unsuitable for upload. Candidates should use a black ballpoint pen on plain white paper.

3. Photograph of an Existing Photo: Capturing a printed passport-size photograph or an image displayed on a mobile screen instead of taking a live photograph is strictly prohibited.

4. Incorrect File Size: Uploading a signature image below 30 KB or above 49 KB does not meet the prescribed requirement.

5. Shadows and Glares: Shadows on the face or background and glare on prescription glasses can affect photograph clarity. Candidates should ensure proper lighting during capture.

6. Blurred Signature Scans: A blurred or low-resolution signature may not remain clear during verification. Candidates should upload a readable image that matches the signature used on the examination attendance sheet.

Checking these points before final submission can help candidates avoid preventable mistakes.

How to Resize & Compress Your Signature File

Candidates who have prepared their signatures but are unable to meet the required image specifications can resize and compress the file before uploading it. The process involves scanning, cropping and adjusting the image dimensions and file size.

Step 1: Scan the Signature

Write your signature using a black ballpoint pen on plain white paper. Scan the signature or take a high-resolution photograph in good lighting.

Step 2: Crop the Image

Open the scanned image in an image editing application. Crop it carefully to keep the signature centred and remove unnecessary white space around it.

Step 3: Open an Image Resizer

Use an online image resizer or an application such as MS Paint to adjust the image specifications.

Step 4: Set the Dimensions

Adjust the image dimensions to a minimum of 140 × 60 pixels. Maintain the required proportions while resizing the signature.

Step 5: Save the Image in JPEG Format

Save or export the resized image in JPG/JPEG format. Adjust the image quality and compression settings until the file size falls within the required range.

Candidates should aim for a file size between 35 KB and 45 KB to remain comfortably within the permitted 30 KB–49 KB range.

Following the correct photograph and signature instructions is essential while completing the RRB NTPC Application Form.

The RRB NTPC Photo and Signature Size requirements for 2026 introduce live photograph capture for candidates applying under CEN 06/2026 and CEN 07/2026, while the signature must be uploaded in JPG/JPEG format between 30 KB and 49 KB.

Candidates should check the image specifications, prepare their signatures carefully and follow the live capture instructions to avoid application-related errors.

PW RRB NTPC Resources

• RRB NTPC Vacancy

• RRB NTPC Selection Process 

• RRB NTPC Previous Year Question Paper