hi,

see there is less chances for bits pilani by your  gate score if you opted for admission based on gate score, another option is you may appear in bits hd exam which is the entrance test for mtech admission in bits , if you get good score in bitshd exam you have decent chances for admission,

You may use Careers360 college predictor tool to know your predictable colleges

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