You are asking for Merit in qualifying exam or through entrance exam?

Merit in qualifying exam

-Students who have obtained 95% or above in the aggregate of the Qualifying Examination are given a merit scholarship of 40% of first semester tuition fee.

-Students who have obtained 90% or above but less than 95% in the aggregate of the Qualifying Examination are given a merit scholarship of 25% of the first semester tuition fee

-Students who have obtained 80% or above but less than 90% in the aggregate of the Qualifying Examination are given a merit scholarship of 15% of the first semester tuition fee.

Merit based on Bitsat Exam

Scholarship 1 >300 75% of Tuition Fee

250 to 299- 50% of Tuition Fee

200 to 249 25% of Tuition Fee

You can also refer below link for details

BITS Scholarship

Good luck!!