CBSE 12th

You might get little problem if you have not studied Physics and chemistry in class 11th and 12th as the first year of BCA would have Engineering Physics and Chemistry, however if you are so keen into doing it then I can suggest GL Bajaj for it. You can pursue your BCA then MCA for masters from here

Yes, you can apply for B.Sc. Computer Science (Hons.) at DU with your commerce background, only if you studied Mathematics in Class 12. 

Subjects you can take in CUET for DU:

1 Language (from CUET List A)

Mathematics or Applied Mathematics

Any two domain subjects from Section II (Computer Scie

If you didn't have Maths or Applied Maths in your 12th class, then you can't choose it in CUET or apply for BMS or BBA at Delhi University. They clearly ask for it as a compulsory subject. Even if you try selecting it in the entrance, it won't count. One option is to take Maths later through somethi

Yes, you can fill out the NEET registration form with 46% in 12th (PCB) but to be eligible for admission, you need the following:  

- Minimum 50% for General/OBC or 40% for SC/ST  

- Your PCB aggregate must meet the criteria  

Options if you fall short:  

1)

To get admission in Bhagalpur College of Engineering, you must have passed your 12th with 45% marks.

But not only 12th, you have to give JEE Mains or BCECE. On the basis of the results of these exams, it may be decided that you can get admission in this college or not.

Yes, you can get admission in various colleges if you have cleared the entrance exam despite having less than 60 percent in 12th except some top universities like SRM, VIT, LPU, Amity, etc. 

The GNM course doesn't require candidates to come from a PCB background. You will get the same career options as a GNM student who passed Class 12 from the Science stream. You can work in any healthcare facility, nursing home, NGO, School, etc., as a GNM Nurse. 

All the best.