Adarsh,

Using previous year's cut off, you will be able to know your probable chances of admission into their preferred Institute. .For reference, AD Patel Institute of Tech, karamsad, cut off in 2017 for CS branch was 2331 ( opening rank) and 4635 ( closing rank)

You need to score more than 110/120 in GUJCET .

For more information , following link may help you.

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