Delhi University (DU)

Hello Astha,
Yes, you can include 'Fine Arts' and 'Physical Education' in your 'Best Four Subjects' (BFS) but please mind the fact that you will face deduction of some percentage from your best four subject percentage.
* You MUST include the marks of 'English' in your BFS without fail since you are a

Because you have attempted the improvement exam and cannot make any improvement, hence your previous marks will be taken into the marksheet by DU.

There is no entrance, admission is purely based on merit basis. First apply and wait for the cut-offs and then take admission either online or offline via counseling process.

Dear Sukhjit,
You can do MCA without mathematics in HSC, but only if you have studied mathematics in your B.Com. If you have done your graduation via distance learning, then pursue a 1-year PGDCA and with that eligibility, you can pursue MCA (direct II year) by Lateral Entry Scheme.

Yes, you can apply for the different portals at the same time but you can take admission in any of the universities at a time, not in both the universities.

For getting into this college and in computer science you have to score under 5000 rank only then you can be able to take admission in Delhi Technological University.

Hello dear, DU does not deals with technical courses they have separate university known as Delhi Technical University (DTU) in which they offers CS Engineering and other courses.