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Signature rejected in an exam form: what the notices say, and the fix

Quick answer

SSC says the main reason it rejects signatures is that they are "miniature": a small signature lost in a big white box. Its CGL 2026 notice also rejects blurred signatures. The fix is to draw a box, sign inside it so the signature fills at least 80% of the box, crop to the box, and save a JPG of 10 to 20 KB. NTA (NEET UG, JEE Main) takes a clearly legible JPG of 10 to 100 KB and says it won't give a correction facility for it later. Check the signature in the preview before you submit.

Updated 10 October 2026 · by Bulan Sarkar · Source checked 10 October 2026

Is this your problem?

Use this kit if
  • The exam body has told you your signature is not as per instructions, or you can still change it in the correction window. (para 23(k), p.51; NEET bulletin Appendix-X (ix), p.109)
  • You are about to upload a signature for an SSC exam, NEET or JEE Main and want it accepted the first time. (para 9.6, p.18; NEET bulletin Ch.3 (d)(ii), p.16)
Check first
  • Did you register with Aadhaar on ssc.gov.in? SSC says it won't reject those applications because the photo or signature misses the standard. (para 9.3, p.18)
  • Which KB range? SSC wants 10 to 20 KB; NEET and JEE Main allow 10 to 100 KB. A file that passes NTA can fail SSC. (para 9.6, p.18; NEET bulletin Ch.3 (d)(ii), p.16; JEE (Main) bulletin, p.4)
  • Is the SSC correction window open? It runs for 3 days after the closing date, for a fee, and your last submitted version is the valid one. (para 23(k), p.51)
Ask the exam body instead if
  • The correction window has closed. SSC says no change is allowed after that and it won't act on requests by post, fax, email or by hand. (para 23(l), p.51)

When a signature can still be fixed

  1. 1Before you apply
    Signature file ready: JPG, 10-20 KB (SSC)
  2. 2At preview
    Check that the signature meets every requirement
  3. 3After closing date
    3-day SSC correction window, with charges
  4. 4After the window
    No change allowed in any form
From the SSC CGL 2026 notice and the NEET (UG) 2026 bulletin (para 9.6, p.18; para 9.11, p.19; para 23(k), p.51; para 23(l), p.51).

The steps, in order

  1. 1

    Draw a box and sign inside it

    Have ready: Plain white paper, a black pen, a ruler.

    Draw a box about 6 cm wide and 2 cm high. SSC's advice is to cut the box out and sign inside it so the signature fills at least 80% of the box. Sign the way you normally do, larger than usual if your signature is small. (SSC instructions 15.08.2024, p.1; para 9.6, p.18)

  2. 2

    Photograph or scan it in good light

    Have ready: A phone or scanner, and daylight or a bright lamp.

    Hold the phone flat above the paper so the box isn't skewed, and keep it steady. SSC rejects blurred signatures and NTA wants a clearly legible one. (para 9.6, p.18; JEE (Main) bulletin, p.4)

  3. 3

    Clean it to black on white

    Have ready: The photo of the signature.

    Remove grey shadows and paper texture so only the ink is left on a white background. (NEET bulletin Ch.3 (d)(ii), p.16)

    Clean the signature →
  4. 4

    Crop tight to the box

    Have ready: The cleaned image.

    Cut away the white margin around the box. A wide margin is what makes a normal signature look miniature on the form. (SSC instructions 15.08.2024, p.1; para 9.6, pp.18-19)

  5. 5

    Save as JPG inside the exam's KB range

    Have ready: Your exam's signature spec.

    SSC: JPEG or JPG, 10 to 20 KB. NEET and JEE Main: JPG or JPEG, 10 to 100 KB. If the file is too big, lower the JPG quality or crop the margin; don't shrink the signature itself. (para 9.6, p.18; NEET bulletin Ch.3 (d)(ii), p.16; JEE (Main) bulletin, p.4)

    Resize to the exam's KB range →
  6. 6

    Check the preview, then submit

    Have ready: The preview page and this kit's check sheet.

    SSC asks you to check in the preview that the photo and signature meet all its requirements. NTA says it won't give a correction facility for the signature later. (para 9.11, p.19; NEET bulletin Ch.3 note, p.16)

SSC's size: 6 cm or 4 cm?

The CGL 2026 notice gives two figures. The main text says the signature should be "about 6.0 cm (width) x 2.0 cm (height)"; the form instructions in Annexure-IV say "about 4.0 cm (Width) x 2.0 cm (Height)". (para 9.6, p.18; Annexure-IV 1(b), p.71)

Both say "about", and the KB range is the hard limit. Keep the file at 10 to 20 KB and the signature large and sharp inside the box. (para 9.6, p.18; Annexure-IV 1(b), p.71)

Only your own signature

NTA treats someone else's photo, signature or certificate in your form as unfair means, and so does uploading a wrong or morphed signature. (JEE (Main) bulletin, pp.4-5 and p.31)

NTA also won't issue an admit card for an application found incomplete, and it names unsigned applications as one example. (NEET bulletin Ch.10 note (e), p.44)

Why signatures get rejected

Every line below is a reason the notices themselves give. Check your file against each one.

  • A miniature signature. SSC says this is the main reason it rejects signatures. (SSC instructions 15.08.2024, p.1)
  • A blurred signature. The CGL notice rejects blurred or miniature signatures summarily. (para 9.6, pp.18-19; para 14.11, p.38; Annexure-IV item 24, p.73)
  • A file outside the KB range or not a JPG. SSC asks for JPEG/JPG of 10 to 20 KB; NTA for JPG/JPEG of 10 to 100 KB. (para 9.6, p.18; NEET bulletin Ch.3 (d)(ii), p.16)
  • A signature that isn't clearly legible. NTA asks for a clearly legible signature file. (JEE (Main) bulletin, p.4)

SSC, NTA, Aadhaar, scribes

If you areWhat changes
SSC examsJPEG/JPG, 10 to 20 KB, about 6.0 x 2.0 cm (or 4.0 x 2.0 cm in Annexure-IV). Blurred or miniature signatures are rejected summarily. (para 9.6, p.18; Annexure-IV 1(b), p.71)
SSC with Aadhaar authenticationSSC won't reject the form because the photo or signature misses the standard. (para 9.3, p.18)
SSC, visually impaired (PwD-VH) candidatesA thumb impression is also allowed in place of the signature. (Annexure-IV 1(b), p.71)
NEET UG, JEE Main (NTA)JPG/JPEG, 10 to 100 KB, clearly legible. If you use a scribe in NEET, the scribe's signature is also 10 to 100 KB. (NEET bulletin Ch.3 (d)(ii), (xii), p.16; JEE (Main) bulletin, p.4)

Print the working copy

One A4 page: the documents to collect and the steps, each with a box for the date you finished it. It prints in black and white. Use your browser's "Save as PDF" to keep a file.

Signature check working copy
correctform.in/kits/signature-rejected
Documents
On paper
  • White paper, black pen
  • Box about 6 cm x 2 cm drawn
  • Signature fills at least 80% of the box
  • Your usual signature, not capitals unless you sign that way
The file
  • Sharp, not blurred; black ink on white
  • Cropped tight to the box
  • JPG or JPEG, not PNG or HEIC
  • SSC: 10-20 KB
  • NEET / JEE Main: 10-100 KB
Before submit
  • Preview checked
  • Aadhaar used at SSC OTR (if you have it)
  • Correction window date noted
Steps (write the date done)
  1. 1. Box drawn, signature fills 80%
  2. 2. Scanned or photographed in good light
  3. 3. Cleaned to black on white
  4. 4. Cropped tight to the box
  5. 5. Saved as JPG inside the KB range
  6. 6. Preview checked, form submitted
  7. 7. SSC correction window (if needed) (3 days after close)
Check the official notice before you submit. Source: SSC Notice of Examination: Combined Graduate Level Examination, 2026, dated 21 May 2026; checked 10 October 2026.

Our free tools for this form

Tips and tricks

  1. 1Use a black gel or ball pen, not pencil or a light blue pen. Dark ink survives JPG compression better.
  2. 2Sign three or four times and keep the clearest one.
  3. 3If the file is under 10 KB, don't stretch it. Retake the photo closer and in better light.
  4. 4Keep one signature file and use it for every form this year, so your signature looks the same everywhere.

Frequently asked questions

Why was my signature rejected in the SSC form?
SSC says the main reason is a "miniature" signature, small inside a large white area. Its CGL 2026 notice also rejects blurred signatures (SSC instructions 15.08.2024 p.1; CGL 2026 notice para 9.6).
What signature size does SSC accept?
A JPEG/JPG of 10 to 20 KB, about 6.0 cm wide and 2.0 cm high (CGL 2026 notice para 9.6; the form instructions in Annexure-IV say about 4.0 x 2.0 cm).
What signature size does NEET or JEE Main accept?
A clearly legible JPG/JPEG between 10 KB and 100 KB (NEET (UG) 2026 bulletin p.16; JEE (Main) 2026 bulletin p.4).
Can I change my signature after submitting the form?
For SSC, during the 3-day correction window after the closing date, for a fee; after that, no change is allowed (CGL 2026 notice para 23(k)-(l)). NTA says it won't give a correction facility for the signature.
How do I make my signature fill the box?
Draw a box about 6 cm by 2 cm, sign inside it so the signature covers at least 80% of the box, as SSC advises, then crop the image to the box edges before saving.
My signature file is too big. Should I make it smaller?
Lower the JPG quality or crop the white margin instead. Shrinking the signature itself is how a signature becomes miniature.

Source

SSC Notice of Examination: Combined Graduate Level Examination, 2026, dated 21 May 2026, 132 pages. Every line on this page cites the paragraph and page it came from.

Official notice (PDF) · Official page

Also cited

Checked against the PDF on 10 October 2026. Check the official notice before you submit. See how we verify.

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