Dear Divya, first, I think you should go and see the movie 3 Idiots! You should go for an MBA if you have an interest in the business and commercial aspects rather than just technical things. If technology is what really sets your pulse racing, you should go for an M.Tech.

Do remember, you also have the option of going for a job right now and an MBA would make much more sense after two to three years of work experience. All the best!