| Document | Common dimensions | Common file size | Format |
|---|---|---|---|
| Passport photo | 3.5 cm x 4.5 cm or 200 x 230 px | 20 KB to 100 KB | JPG/JPEG |
| Signature | 140 x 60 px or 4 cm x 2 cm | 10 KB to 50 KB | JPG/JPEG |
| Left thumb impression | 240 x 240 px | 10 KB to 50 KB | JPG/JPEG |
| Certificate PDF | Readable scan | 100 KB to 1 MB |
Always follow the exact size, background, and format mentioned in the official application form.