First of all you should be applicable

Then,

The following documents have to be verified by the candidates at the centres:

• 3 passport size photographs (the same as uploaded during registration)

• Provisional JoSAA seat allotment letter

• Photo identity card

• Proof of seat acceptance fee payment

• JEE Main 2018 Admit Card

• Date of birth proof

• JEE Main 2018 Score Card

• Class XII Mark sheet

• Category certificate (if applicable)

• 3 passport size photographs (the same as uploaded during registration)

• Provisional JoSAA seat allotment letter

• Photo identity card

• Proof of seat acceptance fee payment

• JEE Main 2018 Admit Card

• Date of birth proof

• JEE Main 2018 Score Card

• Class XII Mark sheet

• Category certificate (if applicable)