Well UIT-RGPV is quite reputed and popular state university in madhya pradesh, with the given percentile its quite tough to get admission with general category , OBC and TFWS . Based on previous years rank vs percentile analysis your rank will be between 2,62,342-3,49,789 but if you belong to SC , ST category you can easily get admission to core branches (MECH, ELECTRICAL,COMP, CIVIL) and other branches too.Also for the board percentage part here is RGPV criteria- A candidate seeking admission to B.E. must have passed 10+2 examination from a recognized board with Physics Maths as main subjects along with either chemistry , biotechnology and biology as third subject with atleast 45% aggregate.