Computers & IT (Non-Engg)

Hello,
As you have done your graduation in computer application and want to continue your study in coding then you can do Masters in computer application. It's up to your area of interest and if you want to go in the business sector then you can do Masters in business administration i.e. MBA.
All the best.

No, it's not possible because you chose physics. You can only do M.Sc in the subject which you opted for in B.Tech.

Yes, you can do this course.

All the 3 courses are good. There cannot be any comparison among them as they all have a wide scope. It depends on your area of specialisation.
All the best.

It is compulsory to have a CET rank to take admission in IPU. No matter what is your rank (not good enough to take admission) you can easily get admission through VIP/management quota. Appx. 10% seats are available for VIP/management quota.
You have t6o pay some extra money for that seat and you will get admission.
Good luck.