India

Dear Rakesh,
If you plan to do your PG abroad, you should ideally pursue it from USA, UK, Canada, NZ, Australia. Only then your qualification will get recognition in India by MCI.
To take up residency in these countries you have to appear for licensure exams in these countries like USMLE, PLAB etc. P

if you looking outside DU try VGU Jaipur

you can try Vivekananda Global University Jaipur

Ahmedabad university is a good idea if looking outside gujrat then Vivekananda Global University Jaipur

you can try manipal university and Vivekananda Global University Jaipur they provide this option

There is no special MBA exclusively for Skill Development Training in India. It is suggested that you do MBA in HR. Training is one of the module in MBA syllabus. You can do specialist courses to build on Skill Development.

Amfill is good.
Refrain from Avlon

Dear Mayank,
All the colleges of north campus are good. So, you may apply for any one of them depending upon the cut offs.

Hey, you can find some very good colleges for BCA on below link.
https://it.shiksha.com/bca-colleges-in-delhi-ncr-categorypage-10-100-46-0-0-10223-1-2-0-none-1-0
Hope this will help you in choosing one very good.

Dear Rajesh,
You have to prepare for chemistry paper as per new syllabus and will u specify why u want to do the same after many years and what is ur career goal.
Than I would guide you regarding the same.
All the best