For the online application, you must upload: 1. A high-quality passport-size color photograph (240x320 to 480x640 pixels). 2. A clear image of your signature. 3. A scanned PDF of a valid Photo ID (Aadhaar is preferred, but Passport, Voter ID, PAN Card, or Driving License are accepted). 4. Category (SC/ST) or PwD certificates if applicable. On the Exam Day, you MUST carry the printed Admit Card and the SAME original Photo ID used during the application. Photocopies or digital versions of the ID on phones are not permitted.