whats procedure To Get On basis Off jee marks?and if nri Quota then?

To get admisison through JEE Main, You need to fill PDPU and Nirma Univeristy application form separately .
Candidates who have qualified in JEE Main exam with a valid score and All India Rank must fill the application in the Month of May and Participate in the counselling conducted by university if they are shortlisted.

NRI candidates are eligible for 15% of the seats if they meet the criteria laid down by the Government of Gujarat. They must apply separately after the notification for them is issued by the university.