Maths Spl

Raj, try for admission in some good private university like JNU in Rajasthan or LPU in Punjab. These universities are known for the good infrastructure and good placements. Also, they are hub of quality education. LPU even offers scholarships for making quality education affordable.
Check with the universities for more details.
Good luck.

As it is in the field of Computers definitely the syllabus is more inclined towards computer enginerring

Eligibility criteria for B.Sc Nursing approved by Indian Nursing Council are as follows:
(a)The minimum age for admission shall be 17 years on 31st December of the year in which admission is sought.
(b)10+2 class passed with Science (PCB) & English Core/English Elective with aggregate of 45% marks from recognized board under AISSCE/CBSE/ICSE/SSCE/HSCE or other equivalent Board.
(c)Student shall be medically fit.
(d)Students appearing in 10+2 examination in Science conducted by National Institute of Open School with 45% marks.
If you meet eligibility criteria, you can apply for B.Sc Nursing.

Business Mathematics has much scope, as business is all about maintaining the profits and losses (i.e. numbers). Many business groups need efficient financial analysts for keeping the books of accounts/project bids/resources. So, Business Mathematics is better option in my view.

Yes, maths is a mandatory subject in almost every stream of B.Com too and in B.Com (Hons), it's very mandatory.