Hello Mauwaz, Thanks for reaching to us.

OBC-NCL is Other Backward Classes-Non Creamy Layer. It is a certificate issued by central govt to people who are under central obc list and whose income is under 6 lakhs p.a. for the purpose of reservation to educational institutions and jobs.

If you have scored 71 marks in JEE mains then your crl rank should lie between 2,47,000- 2,55,000