You should go for BITS Pilani, Jadavpur University is also a good choice but it entirely depends on your preference of environment and culture.
Following are some facts about BITS Pilani and why it will be a good choice.
BITS Pilani has higher fees, the quality of education they provide is remarkable. As for fees, they provide a scholarship program called MCN, which is fairly easy to receive, and requires a family income of below 8 lakh. They also have a merit scholarship for this with an extremely good CGPA (above 9.5).