Hello. NRI quota seat is also called as management seat. This everything is handled by management. There is nothing as in conditions. Its only the proper documents should be submitted

1. The student who is taking seat in nri quota, this student's blood relative should be a resident in abroad. Proof of that is important

2. Apart from that, that relatives aadhar card, proof of residence, bank statements and quite other documents with a stating that he or she is related to student and in what way would be enough