M.Sc

Hello,
You can pursue M.Sc, Ph.D or other dual degree courses from IITs or IISc. To become a part of IIT or IISc, you have to appear for IIT JAM exam, which is a joint admission test to pursue M.Sc or other dual degree programs.
You can check the below mentioned link of IIT JAM exam:
http://entranceexaminformation.blogspot.com/2016/07/iit-jam-entrance-test-queries-most.html
Best of luck.

MSc in analytical chemistry will help you to get into quality control department of food analysis, pharmaceutical analysis, chemical analysis, stability studies and also in government organization as lab technician and research associate.
MSc in food science will limit your scope to QC of food science.

Hello Deekshya,
University of Windsor has tie-ups with a good number of companies. They also provided options in some programs so that students gain work experience during studies. Actual placement report can be requested from the university. You may write to them as it is exclusively not mentioned on their website.

Yes, it is equivalent for M.Tech admission.

Hi Abhijith,
Chances are good that you get a job but nobody can forecast and neither guarantee you a job. Opportunities are plenty from research sector to consultancy. Some work experience is recommended before you apply for a job. Also, learn a foreign language.