Humanities & Social Sciences

First of all visit:
http://www.bhu.ac.in/
and download syllabus of B.A. Entrance and previous year paper go through it and study your class 11 And 12th books of history geo civics and other languages, etc. Also prepared general knowledge for this you can consult Luscent or read newspaper daily. You can consult any entrance guide e.g. Arihant Publication
All the best.

Bachelors degree in relevant specialization is
eligibility for MA in Bengali in Vidya Sagar, so you are eligible for the same.

It is a fairly simple aptitude test that requires zero to little preparation. It has some language questions (like passage comprehension, choosing the correct word to fill a gap or the right synonym), problem solving, logical and verbal reasoning- the likes of which you might have encountered during your preparation for NTSE/KVPY. Time management is key.

Yes, you are eligible to apply with 40% marks. Maths is no required for admission.

MSW is not offered under distance education. It is offered as a full-time course which is a 2 year programme. To apply you must be a graduate in any subject from a recognised college/ university.

You can get the course deatails from the below given link:
http://www.fergusson.edu/departments/department/id/16
Hope this helps.

Check the list of all Geography colleges/institutes in India listed on Shiksha at the link provided below. Get all information related to admissions, fees, courses, placements, reviews & more on Geography colleges in India to help you decide which college you should be targeting for Geography admissions in India. https://www.shiksha.com/humanities-social-sciences/geography/colleges/colleges-india.

Where have you applied? Please specify to help you better.

You can follow up the below given link:
http://xaviers.edu/main/index.php/admissions-and-courses?showall=&start=2
All the best.