Maths Spl

Check the last year cut-offs to have an idea of your chances though physics & maths is difficult to get.

You have to qualify in the 12th examination. Otherwise, you can't apply for a Degree Class.

You can speak to the college administration on personal level, if they can exempt the attendance for you and can allow you to get the books issued and study from home. Though there are very less chances, you can try. May be you will have to attend the classes around twice or thrice a week.

As per UGC guidelines, you can not do two degrees simultaneously from same or different universities.

Go for M.Sc Maths, you can do B.Ed after M.Sc.

It is B.Sc in computer Science and over this score it is very difficult to get admission in DU. For you I am attaching the official link of the department of computer Science, Delhi University. You can visit this link. http://cs.du.ac.in/programmes/bsc/
This article will help you. https://www.shiksha.com/science/articles/top-colleges-of-du-for-bsc-blogId-16957.

Hi,
After failing in Maths (and even after 3 years of GAP), it's actually very difficult in get in Astro related degree. However, what you can do is to take admission in any college (may be private) in B.Sc. Physics (If you are in age limit). After B.Sc. Go for M.Sc in Astronomy Specializations.

Yes, you can. Appearing for VITEEE has no constraints. You should have a percentage of 65 percent or 60 to be eligible for getting into it. After appearing for VITEEE, the admission is based on how you score in their entrance examination. You are provided different group according to the marks obtained and fees also varies according to the group's. Group A being the best. Try to score good marks in VITEEE.
All the best.

Hello
Yes! If you are interested to pursue BCA, you can definitely apply for BCA as you have computer Science subject you can apply for BCA.