Dear Vanshika, Yes you may chance the B.tech branch after 1 year in IGDTUW but it depends on some few conditions. First, you need at least pass all subject in your 1 year, then you eligible for applied and if they have available seat for any branch then you may be selected through a branch. They asked you why you want to change your branch then you should write an application then submit to you Instituted then you chance your branch.

All the best.