Now application forms are online, you don't need to go post office but it will go to the desired place with click of a mouse, but then too you need certain material to fill JEE Main Online Application Form 2018
Here we go:
1. Valid Aadhar Card / UID I am sorry your smile may vanish here, if you not stand valid UID. You may need to stand in the queue.
2. Valid Email Id. If you have an Email Id which is not in use check if its still active or not. All communication related JEE Main 2018 shall be made through Email.
3. Your photograph in JPEG or JPG format only; size must be grater than 4kb and less than 40kb; Dimension 3.5 cm width and 4.5 cm height
4. Scanned Image of Signature; file size more than 1 kb less than 30kb; dimension 3.5 cm length and 1.5 cm height.
5. If you are enrolled for UID you can use Enrollment No to apply for JEE Main 2018
6. The applicants who have passed or appearing in Class XII examination from the states of J&K, Assam & Meghalaya need to enter the passport number, ration card number, bank account number or any other valid Govt. identity number provided they should select the city of examination in these states only.