Sir, I am QA team member and pursuing my B.tech (Mech).So, After completion of B.tech shall i do my post graduation in M.tech or MBA. If it is MBA or M.tech which is better stream that shoots my professional

First evaluate yourself and find out whether you have more flair for educational line or totally technical line or you are more comfortable doing admistration (plus technical) kind of work. If you want to persue your career in educational line then doing M.Tech and even PHd later should be your fir