According, to Careers 360 RV College of Engineering has AAAA+ rating which means outstanding and NIT surat has AAAA rating which means very good. 

According to the ratings RV college of engineering is better and if we compare the branches than CSE has more sope in terms of jobs and placements. 

If you don't have any particular choice related to branches than you can opt for RV college of Engineering. It provides very good placements and faculty.

You can also compare both the colleges from the given beow link

RV College of Engineering Ratings and Reviews

SVNIT Ratings and Reviews

Good Luck!!