You should make a domicile certificate, i don't have any experience regarding counselling but still its wise to make a domicile certificate. To get a domicile certificate you need to apply in yout district court.1. Open the e-District portal and log in. I got 600000 rank in JEE Mains 2020. I am GEN from MAHARASHTRA and have a domicile from JHARKHAND. The address proof may include AADHAAR Card, Domicile Certificate, Passport, Voter ID card, etc.