Science

Dear Shilpa,
B.Sc. (Biotech) can pursue M.Sc. (Biotech) only. Only B.Tech. / B.E. (Bio-Tech) can pursue M.Tech.

Here are the list of best universities for M.Sc. Pollution control. I hope this will help you. As well as M.Sc. Pollution control is a good choice a good career option I will say continue it as your career get details of this college from different websites and this all colleges are good one.
1) CMJ

It is going to be held on may 5 2019 (tentative)
by the Andhra university for admissions into degree courses in AU. For more details, visit the college website and download information brochure.

No dear. You can't get admission in integrated B.Sc & B.Ed. You can get admission in B.Sc Or B.Ed.
Good luck!

I hope this link will help you-
https://www.amrita.edu/program/integrated-m-sc-chemistry-Coimbatore.

Go to this address -
http://www.indiaeducation.net/careercenter/10-and-12/difference-bsc-maths-stats.aspx.