Hii..

Dear kaur,

1. Immediately on the receipt of Admit Card please check carefully for you name, paper, date of birth, gender, test centre name, city, state code of eligibility and category. If you find any mistake you need to immediately get in touch with JEE (Main) office for necessary correction.
2. Please note that the Admit Card issued to you shall be provisional and shall be subject to your satisfying the eligibility conditions. 
3. If you are appearing for Aptitude Test in Architecture, you should carry your own geometry box, pencils, erasers and color pencils or crayons.
4. Please remember to carry with you clipboard so that you do not have any difficulty in filling responses in the answer sheet, if the table doesn't have smooth surface.
5. Please carry atleast two (2) good quality black/blue ball point pens.
6. You should carry with you a copy of document (as per following applicable criteria) on the day of your JEE (Main) - 2018 and submit the same to the invigilator at the examination centre. You have to write Roll No. of JEE (Main) Examination on the copy of the document being submitted in support of class 12th/Qualifying examination
7. Good luck!!

Dear Kulwinder,

You will required JEE Main 2018 admit card while reporting at the examination centre.

PwD candidates will have to carry a copy of the PwD certificate in the prescribed format (Appendix 9) issued by the Competent Authority.

You can carry a cardboard if you want. You are not allowed to carry a pen or pencil you will be provided black ball point pen.

To know in detail you can refer below link

https://engineering.careers360.com/articles/jee-main-admit-card

Good Luck!!