hey nandha 

nri seats of medical college are expensive than residents seats. differennt collges have different fees structure in india. govt medical colleges fees for nri quota is ranges from 25000 USD to 75500 USD. the mbbs course fees for nri quota in deemed universities rannge from 25000 USD to 220000 USD. private medical colleges also have same around 25000 USD fees for nri quota.  

here is a link related to fees in medical collges in india. i think this might help ypu https://medicine.careers360.com/articles/mbbs-fees 

goodluck