M.Sc

Whichever you have interest and aptitude in !
Both are niche fields, with less number of professionals and less number of jobs. You would need to specialize to remain relevant.

Yes, you can take, provided you qualify the eligibility criteria and cut off of your preferred college.

Yes, some private universities will be providing this programme.

Looks like you will get a seat.

Yes, you can, the cut offs of B.A. MS are low this year.

Yes, it is valid, but for MS you need to develop your skills beyond B.Tech, so that you understand the level of studies which is carried out abroad.

Hello nikita, don't worry, talk to your examination coordinator he will surely understand your problem. Examination form filling is not an issue until you are having a regular course from a university. Hope this might be helpful to you :). .

Hello,
M.sc in environmental science total fees for general category student is 29500 for one semester and fees for sc/st student is 22000 for one semester.
Admission starts in the month of February. You need to fill the registration form for NITJ and then attend the exam for the same. Merit lists are released out and selected students are given a chance to get admitted.
Hope this might be helpful to you.