Career

Yes, you can work as a facilities engineer after mechanical engineering. Your salary will be decided on the basis of your company and your abilities. It could be around 15000 per month if you are a fresher, otherwise its range can not be defined exactly.

MBA has its own syllabus and any such prerequisite is not required. Some colleges do require two years of experience that also in other fields.

This has nothing to do with being a girl or a boy. You must be good at animation tools, imagination, and some high level programming as this is a part of this course.

In India there are no educational opportunities to do weapon engineering graduation directly after +2 stage. You are advised to do B.Tech in mechanical/ electronics and then do M.Tech in weapon engineering. You can join Defense Institute of Advance Technology (DIAT), Pune for M.Tech in weapon engineering.

Both are professional courses. You can do whatever interests you the most.

A number of subjects, including mathematics are included in the first year, but this won't hurt anybody.

As you have already completed your M.Tech, I would recommend you to start your job and take practical experience and then if you wish to study further along with your job, then you can opt for E-learning courses.

Go right at the basics, first. When you have no spoken skills, begin by being clear. Then, do fluency exercises. Build up the minimum levels of vocabulary. Get hold of the tunes of English. You should sound like English, avoiding traces of your mother tongue.