Which branch of B.tech is best with respect to jobs in upcoming years?

Mechanical and Civil engineering has good future prospects. If you can supplement it with some specialization like CAD and software applications, it will help a lot in career plan and growth.

Mechanical is an evergreen field.

In long run Mech.and Civil have a very good scope. They are the branches that have jobs in both the govt.and the private sector. Many universities like Amity, LPU, SRM, Sharda, etc are providing the students with world class infrastructure and lab.s for the better theoretical and practical knowledge