India

No, it's still not held, it is scheduled for this month.

MCA is not a valid course overseas, if you are willing to study abroad, MS in IT would be the best option for you.

No, It's not possible to get into different college for 4th semester of any course and same goes for BCA.

Hi, it depends on the university,if it is present in the list of recognised universities by WES they will evaluate positively.I came across many candidates whose reports were evaluated and also some rejected.You have to get a WES evaluation done to know the answer. A degree from IGNOU is recognised generally.

IIM conducting CAT does not publish data on state wise candidates and other information. Anyway, this information is also not relevant to any perspective candidate as the selection is based on merit.

Please refer to the link provided below for a list of top colleges which offer courses in Veterinary Science in India (including West Bengal):
Link: https://www.shiksha.com/science/articles/top-veterinary-science-universities-institutes-in-india-blogId-14744

Please refer to the link provided below for a list of top colleges which offer courses in B.Tech in Biotechnology in the Delhi NCR region. Admission criteria and eligibility for different students are also mentioned at the link mentioned below. You should be able to download their brochure which contains all details regarding admission, eligibility, fee structures of various colleges, etc.
Link: https://www.shiksha.com/b-tech/colleges/b-tech-in-biotechnology-engineering-colleges-delhi-ncr

Please refer to the link provided below for a list of popular scholarships for an M.Sc student in India.
https://www.shiksha.com/science/articles/popular-bsc-msc-scholarships-in-india-blogId-13494

Please refer to the link provided below for a list of top colleges in Assam which offer courses in B.Sc in nursing.
Link: https://www.shiksha.com/science/colleges/b-sc-colleges-assam