There are many good colleges in India to pursue a BTech Computer Science degree. Some of them are listed below with their fees:

• IIT Delhi , Fees- Rs 8.55 lakhs.
• NIT Trichy , Fees- Rs 6.43 lakhs.
• IIT BHU , Fees- Rs 8.59 lakhs.
• BITS Pilani , Fees- Rs 23.59 lakhs.

There are plenty more options to choose from. According to your preference, you can check- https://engineering.careers360.com/colleges/list-of-computer-science-engineering-colleges-in-india