M.Tech

The difference between M. Sc and M Tech is same as the difference between B.Sc and B Tech
M. Sc is a master course, which is next form of B.Sc. It's not as expensive as M Tech, and most of the colleges don't have any entrance exam for this. Just like B. Sc, if you do well in your graduation and score more than 60%, you can easily study M. Sc
Whereas in M Tech, it's a tougher course. It's of 2 years duration and its of more value than M. Sc. It's a much more expensive than M.Sc also.

Yes, once you qualify GATE, you can join IIT for m.tech

If u are looking for quick growth and/or you have a good management skill Then MBA does carry good opportunities but as being Technical student I would prefer M.Tech which can leads you the expertise in your area!but at the end it should be your choice cuz both have a good opportunities for your professional life

Hi
The universities in USA, Canada have many campuses but the degree is same. Mostly there division of campus is based on faculties. To be doubly sure, write to their international admission office via mail with your doubt, they will guide you.
All the best and do well.

HelloIt's totally depend upon your interest. If you choose your interesting area M.tech or MBA then you will better perform . I will prefer finance stream in MBA.
Another things there are many government job for civil engineering graduate.
Hope this helps
thanks
best of luck