Hello,

You should carry  your college id card, 12th hall ticket, JEE admit card to the examination center for your ID proof . No, other roof or documents are allowed inside the exam hall as an ID proof.

These are the type of Identity Type :(PAN card/Passport/Qualifying examination admit card with photograph/voter ID/Ration card with photograph/bank passbook with photograph/driving license/other valid Govt. identity with photograph).