Hello! 

Both the courses are good and have scope in india. Choose according to what you find more interesting. Please mention which place are you from/want college in...there are several good colleges across india...the IITs are best for btech. This link might help you-

https://www.google.co.in/amp/s/engineering.careers360.com/articles/engineering-branches-computer-science-vs-it%3famp