This is the fees structure per semester for Goa campus. It would be more or less the same for Pilani and Hyderabad campus:
Tuition Fees: 1,13,300
Hostel Fees: 12,000
Mess and Electricity advances: 10,000
Miscellaneous advances : 12,000
Total Fees: 1,47,300
Also BITS Pilani offers MCN(Merit cum need scholarship) which gives scholarship upto 80,000 per semester depending upon your CGPA and family income