Hello Imran,

I think yes you can. NIOS is govenrment approoved rather it is under the Ministry of Human Resource, and therefore will be accepted by the concerned exam conducting body.

For more information, and avoiding rejection of your application form, you may please contact the help desk of JEE:

JEE Main Helpline No 7042399520. Toll free Number(s): 18002669778.

Hope this helps