CBSE 12th

No u are not eligible for B.Sc. Nursing as you don't had biology as subject in your 12th.

Can you please specify the course you want to get in?

Bachelor of Commerce - B.Com. (Hons.)
Duration: 3 years
Eligibility: Candidates must have passed 12th Standard or an equivalent examination, recognized by State or Central Education Board. Candidate must have taken five subjects in 12th Standard with 50% marks in aggregate.
Fee : 60,000/- p.a.
Admission: https://admissions.srmuniversity.ac.in

For admission in Mumbai University IDOL, you have to fill an application form, further instructions will be briefed once you fill the application form. You are eligible for this course. Please follow the link given below to fill the application form
http://idoloa.digitaluniversity.ac/.

Eligibility of B.Sc. in computer science - the candidate passed 10+2 with minimum 40% in physics, chemistry, mathematics and computer as mandatory subjects.

Admissions are offered to the students with 12th science and PCM. There is no entrance exam for admission at The Bombay Flying Club. Minimum percentage requirement is the aggregate of 45% in 12th board exams. Courses offered are B.Sc in aviation with commercial pilot license and B.Sc Aeronautics with Aircraft Maintenance Engineering.

Since this is a nursing course, I suppose you will have to appear in the NEET exam and admission is not based solely on the basis of your 12th marks. Visit this college's website for exact information.

Kindly visit this link:
https://www.shiksha.com/law/resources/clat-college-predictor