Should I opt for B.Tech or pursue B.Sc? What is the scope of both the courses?

B.Tech is a more technical oriented study than B.Sc. And, they both have different uses in different areas so, it depends on what you want to do according to your interests and your AIM.

Both have different advantages and disadvantages. All depends upon your interest and choice of the subject you want to pursue. I would personally recommend you to go for B.Tech.