Reporting: Candidates not Aadhaar-authenticated must report 2 hours before the scheduled start of the exam.

Carry

Printout of the Admission Certificate
Two recent passport-size colour photographs (if not Aadhaar-authenticated)
Original photo ID with date of birth as on the Admission Certificate
Accepted IDs: Voter ID, Driving Licence, PAN, Passport, employer ID (Govt/PSU/Private)
Also accepted: ESM Discharge Book issued by the Ministry of Defence
Extra original date-of-birth proof if the ID has none
Scribe users: medical certificate/undertaking and copy of scribe's photo ID
Any other document named on the Admission Certificate

Do not bring

Print the admit card and check your name, photo, date, shift and centre address against your ID.
Keep the original photo ID named on the admit card, and a second one in case of a mismatch.
Find the centre on a map and plan to arrive well before the reporting time: gates close on time.
Read the instructions printed on your own admit card: they are the final word for your exam.