Hello,

with 63 marks(PCM) your predicted mark will be around :-20k.

this may be wrong even as calculating rank is done in different basis.

you can use the rank predictor and add filters:-

https://engineering.careers360.com/comedk-rank-predictor

you can use the college predictor  to know the list of colleges you can join:-

https://engineering.careers360.com/comedk-college-predictor

Good Luck!