B.Tech

You need to pursue Masters in automobile engineering. Either, you can try for MS/M.Tech. You can look for any job roles related to IT in automobile industry, and then make an internal transition.

Change of university from one to another is not possible after 1 year. You can change the college within university but cannot switch between universities. To switch the university you have to give the entrance exams once again and start afresh from the first year. Only in some special conditions li

I would suggest you to try for Amity University - Noida for MBA to enhance your civil engineering career.
All the best.

You can pursue BCA + MCA, which is equal to B.Tech in IT or CS. You can also pursue CA along with B.Com.

What is the name of your institute?

Unless your existing engineering college has credit transfer agreement with a university abroad, you may be able to join in second year of engineering degree course abroad.

There is no difference between BE and B.Tech. Both are Bachelors degree in engineering and have same acceptance in the job market and for higher studies. There is only nomenclature difference between BE & B.Tech.