BCA

The course fees is 48750 per year and hostel is 6000 per month which includes fooding, boarding, lodging, wifi and gym. you can register online on www.doonbusinessschool.com

The passing percentage varies from university to university. So this you will have to check with your college or university.

No college provides lateral entry in MCA after BCA.

1.St Bede's College, Shimla
2. Bahra University - [Bu], Shimla
3. Bells Institute Of Management & Technology, Shimla

You can not pursue BCA as to get into BCA to need to have Maths in Class 12th.

After BCA, B.Sc IT you can go for diplomas in game designing or there are courses directly after 12th as well. Check here.
https://www.shiksha.com/getListingDetail/92753/course/course-B-Sc-Games-Interactive-Media-From-Sheffield-Hallam-University-Delhi-India

Both BBA and BCA are job oriented degrees. Both will help you to get junior level jobs in respective fields. Indian IT companies prefers engineers for Software Developer or Tester roles. BCA graduates get jobs in small and medium size companies only. Unless BCA graduates completes MCA degree , he
/she will face challenges. BBA graduates can be employed in different functions in different kinds of industries, therefore they have wider scope.

You should go for B.Sc Hons. It'll be better for you.

There are various opportunities. For instance you may be absorbed by a company as a system analyst.