Here’s the list of original documents that a candidate must carry while reporting at NIT’s 1. Provisional Seat Allotment Letter 2. Original Admit Card of JEE Main 3. One passport size photograph same as on the JEE Main application form. 4. JEE Main Score Card issued by CBSE. 5. Proof of photo ID issued by either central Govt. or State Govt. or last attended School or Admit card of class XII. 6. Medical Report as mentioned on JoSAA website 7. Marks sheet of class X as proof of Name of the Candidate and date of birth. 8. Class XII Board Certificate and Marks sheet of qualifying examination to be used as proof of State code of Eligibility. 9. Category (SC/ST) certificate to be submitted in the format given on official website of JoSAA (Issued by competent authority). 10. OBC-NLC (central list) certificate of category will only be accepted if issued by the competent authority in format prescribed by JoSAA at the official website. The form must clearly contain that the candidate is from Non Creamy Layer. 11. Persons with Disabilities (PwD) according to JoSAA website, must carry certificate I think these are the enough certificates to be provided to respective college
PS. 1. If you don't want to visit it, go to this page where I got the same: Click here. 2. This page is on Facebook page. 3. We will take you to this page once your application has been processed. Also, this is a complete list of positions, which vacancies open for you on (in Portuguese). Thank you, Dr. Fernando T.