Science

The following are the BCA colleges in Mumbai offering BCA without Maths at 12th level.
1. Amity University Mumbai
2. VVES Vikas College of Arts Science & Commerce, Mumbai
3. KPB Hinduja College of Commerce, Mumbai
4. Dr BMN College of Home Science, Mumbai
The following are the BCA colleges in Pune offer

Yes you can eligible for M.Sc. Forensic Science of LNJN National Institute of Criminology and Forensic Science, if meeting the below eligibility criteria.
The asked course is running in affiliation with GGS IP University Delhi. Hence eligibility conditions and intake procedure as per University rules

As per the eligibility criteria you can be eligible for Army wing only, because Air force and Naval wings required 12th with Physics and Mathematics. The NDA syllabus comprises the following two sections as Mathematics and General Ability section. The questions will mainly be asked of 10+2 level. So

No, you can not do the B.Sc. Nursing course. The eligibility criteria of B.Sc. Nursing is 10+2 class passed with Science (PCB) & English Core/English Elective with aggregate of 45% marks from recognised board under AISSCE/ CBSE/ ICSE/ SSCE/ HSCE or other equivalent Board.

Your 12th marks are very good for getting admission in some reputed private engineering colleges in B.Tech courses. On the basis of your 12th marks you can also get some scholarship. But before come to any conclusion please focus on July JEE Main exam for improvement in previous score.

Education does not have any age, until and unless you want to join the force where there is age cut off.