BCA

You can go for BCA after class 12th, if you have computer as one of the subject, where if you have studied C+ Java beside my SQL etc., then the course will be easy else you'll struggle.

You have scored a good rank.
You can get
JIMS Kalkaji
JIM'S Vasant Vihar
JIM's Rohini
IITM Janakpuri
Trinity Dwarfs
Rukmani Devi Pitam Puraani many more.
To get clearer about your options, you may find out last year's cutoff of IPU.

If you didn't had CS or IP in 10+2 then you wouldn't face much problems in programming. As in BCA you'll get to study programming languages from the beginning. So, it doesn't matter that much if you have studied programming or not in BCA. But you can face some problems in mathematics. As mathematics

Yes, If you want to go with CS either you can take B.Sc in CS or BCA. But, you shouldn't stop with UG, since it's only 3 year degree in order to get placed with high packages you need to continue with Masters like MCA.

Jain University has 4 specializations in BCA course.
IOT, Cloud Technology and Information Security, Cloud Technology and Mobile Application, Mobile Application and Information Security. All of these specializations are in demand and have a huge scope in future. IOT and Cloud Technology are best opti

Hello Manoj,
To know all the details about St. Joseph's college, SJC , Bangalore, you may refer the link below :
https://www.shiksha.com/college/st-joseph-s-college-sjc-lalbagh-rd-bangalore-2376

Yes, students who have completed BCA with good score in JAM exam will get admission in IIT, Kharagpur to pursue MCA.