--- title: "RRB Group D signature size" description: "Prepare RRB Group D CEN 08/2024 photograph (320 x 240 px, 50-100 KB), signature (140 x 60 px, 30-50 KB) and optional SC/ST certificate PDF (up to 500 KB) using the official CEN 08/2024 rules. The apply window is closed; the sizes on this page still come from that notification." canonical: "https://sarkaridoc.com/exams/rrb-group-d/" generated: "2026-09-04" --- [Home](https://sarkaridoc.com/) [Railway](https://sarkaridoc.com/exams/railway/) RRB Group D # RRB Group D Official Kit Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India · 2024 Resize your photo, signature and certificate PDF (optional) here. Sizes come from the official notification. Submit on the official portal. Applications 23 Jan 2025 – 1 Mar 2025 Closed Correction window 4 Mar 2025 – 13 Mar 2025 [Official rules](https://sarkaridoc.com/exams/rrb-group-d/#sources) Checked 2 Sept 2026 [Portal: www.rrbapply.gov.in](https://www.rrbapply.gov.in/) ### Your documents 0 of 2 files ready Photograph Required JPG · 320 × 240 px · 50–100 KB Dimensions 320 × 240 px at 100 DPI Max size 50–100 KB Format JPG Crop Center crop, center focus White or light background; non-white (preferably dark) clothing. Tap to add photo Upload photographor pick from your device. Pasting a screenshot works too. JPG or PNG. Select file Print name & date on the photoTurn on only if your official notification asks for it. Advanced settings320×240 px · 50–100 KB · JPG · center focus Dimensions px File size KB Format JPGPNG Reset to spec How to prepare 1. Use a recent colour passport photograph with a white or light background, taken in a professional studio. 2. Wear non-white (preferably dark) clothing; avoid a cap, hat or sunglasses, and keep the face at least 50% of the frame. 3. Differs from RRB NTPC CEN 05/2024, which requires 20-50 KiB for this same 320 x 240 px frame - do not reuse NTPC's KB range for Group D. 4. PwBD candidates using a scribe must additionally upload the scribe's passport-size photograph on a plain white background, JPEG, 50-100 KiB - the same rules as this candidate photo. Source: Official CEN 08/2024: colour passport photograph, white/light background, 35 mm x 45 mm or 320 x 240 pixels, JPEG, minimum 100 DPI, 50-100 KiB. Signature Required JPG · 140 × 60 px · 30–50 KB Dimensions 140 × 60 px at 100 DPI Max size 30–50 KB Format JPG Crop Wide crop, center focus White paper background. Tap to add signature Upload signatureor pick from your device. Pasting a screenshot works too. JPG or PNG. Select file Advanced settings140×60 px · 30–50 KB · JPG · center focus Dimensions px File size KB Format JPGPNG Reset to spec How to prepare 1. Sign on white paper in black ink, using running handwriting - not block, capital or disjointed letters. 2. Keep the full signature centred inside the 140 x 60 px frame. 3. Differs from RRB NTPC CEN 05/2024, which requires 10-40 KiB for this same 140 x 60 px box - do not reuse NTPC's KB range for Group D. 4. This is not the live signature (with Left Thumb Impression) that the candidate re-writes on the printed e-Call letter in front of the invigilator at the CBT venue; that on-site step cannot be prepared here. Source: Official CEN 08/2024: signature in running handwriting on white paper, 50 mm x 20 mm or 140 x 60 pixels (preferred), JPEG, minimum 100 DPI, 30-50 KiB. SC/ST community certificate (free rail-travel pass) Optional PDF · up to 500 KB Max size up to 500 KB Format PDF Tap to add photo or PDF Upload sc/st community certificate (free rail-travel pass)or pick from your device. Pasting a screenshot works too. PDF, JPG or PNG. Select file Advanced settings≤500 KB · PDF File size KB Max 100 KB 200 KB 500 KB Reset to spec How to prepare 1. Use this only if requesting the free sleeper-class rail-travel pass as an SC/ST candidate; it is not a universal upload for every Group D applicant. 2. Differs from RRB NTPC CEN 05/2024, which requires this same certificate as a JPG/JPEG scan (50-100 KiB), not a PDF - do not reuse NTPC's format for Group D. 3. No OBC-NCL/EWS/PwBD/CCAA certificate upload is listed among this CEN's application-stage 'ONLINE Mandatory Scanned Documents'; those are produced physically at Document Verification. Source: Official CEN 08/2024: SC/ST Certificate (only for candidates requesting a free pass for train travel) in PDF format, up to 500 KiB. 0 of 2 files ready Download package ### Your documents 0 of 2 files ready Photograph50–100 KB · JPGRequired Signature30–50 KB · JPGRequired SC/ST community certificate (free rail-travel pass)up to 500 KB · PDFOptional Download package ## About RRB Group D RRB Group D (Level-1) CEN 08/2024 needs a photograph and a signature. SC/ST applicants can also upload a community certificate PDF for a free rail pass. Thumb impression and self-declaration are taken live at the CBT venue, not as files here. RRB Group D (Level-1) applicants who need the photograph, signature or SC/ST certificate file to match the official CEN scan rules, and PwBD applicants who need a scribe photograph on the same photo rules. Conducting body Railway Recruitment Boards (RRBs), Ministry of Railways, Government of India Official portal [RRB online application (rrbapply.gov.in)](https://www.rrbapply.gov.in/) ## Sources - [CEN 08/2024 (Group D / Level-1) official notification](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf) - [RRB online application (rrbapply.gov.in)](https://www.rrbapply.gov.in/) Checked 2 Sept 2026 · notice dated 22 Jan 2025 Where each rule is written Each file below links to the exact section of the official PDF where its rule is written. - [photo · 16.0 HOW TO APPLY - (c)(i) ONLINE Mandatory Scanned Documents - photograph specification](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf) 10 Jul 2026 Colour passport photograph with white/light background, 35 mm x 45 mm or 320 x 240 pixels, JPEG format scanned at a minimum of 100 DPI, 50-100 KiB. - [signature · 16.0 HOW TO APPLY - (c)(ii) ONLINE Mandatory Scanned Documents - signature specification](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf) 10 Jul 2026 Scanned JPEG signature in running handwriting, 50 mm x 20 mm or 140 x 60 pixels (preferred), minimum 100 DPI, 30-50 KiB. - [certificate PDF · 16.0 HOW TO APPLY - (c)(iii) ONLINE Mandatory Scanned Documents - SC/ST certificate](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf) 10 Jul 2026 SC/ST Certificate (only for candidates requesting a free pass for train travel) in PDF format, up to 500 KiB. - [photo · 16.0 HOW TO APPLY - (c)(v) ONLINE Mandatory Scanned Documents - scribe photograph](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf) 10 Jul 2026 PwBD candidates who use a scribe must additionally upload the scribe's passport-size photograph against a plain white background, JPEG format, 50-100 KiB - the same size range as the candidate's own photograph, without dark glasses or a cap. - [Timelines for online submission of applications and modification windows](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/02/Corrigendum-1-CEN-08_2024.pdf) 10 Jul 2026 Corrigendum-1 to CEN 08/2024 (dated 19.02.2025) revises the closing date for online submission to 01.03.2025 (23:59 Hrs) and the modification window to 04.03.2025-13.03.2025. Full-text checked: it contains no changes to the photograph, signature or SC/ST certificate specifications. - [List of Candidates Shortlisted for Physical Efficiency Test (PET) - CEN 08/2024 Level-1](https://rrbsecunderabad.gov.in/wp-content/uploads/2026/07/List-of-Candidates-Shortlisted-for-Physical-Efficiency-Test-PET-for-various-categories-against-CEN-082024-Level-1.pdf) 10 Jul 2026 This PDF, dated July 2026 and the latest item in RRB Secunderabad's CEN 08/2024 notice archive, confirms the process is at the post-CBT PET-shortlist stage as of verification, well past the application stage. - [Cross-CEN comparison - RRB NTPC CEN 05/2024 photograph, signature and SC/ST certificate specification](https://rrbsecunderabad.gov.in/wp-content/uploads/2024/09/CEN-05-2024-NTPC-Graduate_ENG.pdf) 10 Jul 2026 RRB NTPC CEN 05/2024 requires photograph 20-50 KiB and signature 10-40 KiB for the same 320x240 / 140x60 pixel frames, and its SC/ST certificate must be a JPG/JPEG scan (50-100 KiB) rather than a PDF - confirming that KB ceilings and certificate file format are CEN-specific and must not be shared across RRB exam presets. Sources checked 2 Sept 2026 · 1 unchanged, 3 changed Notice history · 1 change since Sept 2026 - 2 Sept 2026 Upload-rule numbers now carry source claims (quote -> interpretation -> value); no value changed. [View the source log](https://sarkaridoc.com/sources/) ## Questions about RRB Group D What is the RRB Group D photograph size? JPG, 320 × 240 px at 100 DPI, 50–100 KB, as listed in CEN 08/2024 (Group D / Level-1) official notification. What is the RRB Group D signature size? JPG, 140 × 60 px at 100 DPI, 30–50 KB, as listed in CEN 08/2024 (Group D / Level-1) official notification. What is the RRB Group D SC/ST community certificate (free rail-travel pass) size? PDF, up to 500 KB, as listed in CEN 08/2024 (Group D / Level-1) official notification. The source does not fix a pixel size for this file, so keep it clear and easy to read. What is the last date to apply for RRB Group D? Corrigendum-1 to CEN 08/2024 (dated 19.02.2025) revised the original closing date from 22.02.2025 to 01.03.2025 (23:59 Hrs), the late-fee-payment cutoff from 24.02.2025 to 03.03.2025, and the modification/correction window from 25.02.2025-06.03.2025 to 04.03.2025-13.03.2025. (Source: [CEN 08/2024 (Group D / Level-1) official notification](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf)) Can I correct my RRB Group D application form after submitting it? Corrigendum-1 to CEN 08/2024 (dated 19.02.2025) revised the original closing date from 22.02.2025 to 01.03.2025 (23:59 Hrs), the late-fee-payment cutoff from 24.02.2025 to 03.03.2025, and the modification/correction window from 25.02.2025-06.03.2025 to 04.03.2025-13.03.2025. (Source: [CEN 08/2024 (Group D / Level-1) official notification](https://rrbsecunderabad.gov.in/wp-content/uploads/2025/01/CEN-08-2024.pdf)) What if RRB Group D photo upload failed? First check the current official notification. Then resize the rejected photo on this page and upload the new file on the portal. White or light background; non-white (preferably dark) clothing. Is this an official website? No. This is a helper page built from official sources. 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