B.pharm

It depends on what you want to do further in your future because MBA is a platform where various different degree holders meet like BBA, B.Com, BE/B.Tech, etc. So, it's all up to you.

Lovely Professional University, Amity University are some other better alternatives in terms of better job opportunities.
Best regards.

Physics, Chemistry, Biology are important if going for Biology or Medical Pharmacy background.
Best regards.

It's available on DTE website. Just go through the available study material on the website.

You need to fill up the admissions forms of different universities, and then follow the admission procedure.

Dear Abhishek!
It's like comparing Apple and Orange. Both have their own difficulty level and fruits. It's actually you who going to decide. Because everyone will give their own perception for this query. But depending upon your capabilities, future goals, market demand, and most importantly "Interest", you decide yourself that which one is harder or not!
Hope this helps. Upvote the answer if you feel satisfied. Good Luck.