Colleges in Kolkata

Sorry, you cannot, you need at least 90 for CBSE/ISC or 85 for State Board to get into SXC.

It solely depends upon your course. Here's top 5 in overall category:
1. St. Xavier's College (Autonomous), Kolkata
2. Ramakrishna Mission Vidyamandira, Belur
3. Jadavpur University
4. Presidency University
5. Ramakrishna Mission Residential College, Narendrapur.

If you are doing studies in botany then why are you going for B.Ed, which is not having much scope in future? Why don't you go for some extra degree which leads to better placement at some institution?

Go through this link https://www.shiksha.com/accounting-commerce/articles/commerce-colleges-in-india-highest-and-lowest-cutoffs-blogId-14414
Hope your queries will resolved.

You don't need to opt for CAT exam if you want to study law further. After completion of 12th, if you are thinking for law, you may take admission in law school or private university for integrated course BALLB/BBA LLB. It depends that you are want a top law school then you need to sit for CLAT whic

Yes, it is compulsory and outsiders can apply.

Hello Ayan,
Eligibility for admissions to AME courses is 12th with PCM from any recognized board. NIOS is surely a recognized board and you will have no difficulty in getting admission in the three year AME course based on this. I am attaching a link that will give you all the required information ab

Yes, sure, you can go ahead.
All the best.