Bits pilani is good choice

All the colleges which you have mentioned above are good but as per the ranking BITs Pilani comes first then IIIT Hyderabad and CEPT you can consider at third number. So I would suggest you to go through below link to know all about the same before making any decision -

CEPT, Ahmedabad
BITs, Pilani
IIIT Hyderabad

Good Luck!!!