M.Sc

You will become a PGT (maths) teacher and will get a better salary package.

Hi,
As you hate technical work, you can do MBA in other streams like HR, finance or marketing. These have a good scope and future. Most of the engineering graduates are pursuing their career in these fields.

You can get admission for B.Sc and M.Sc in computer application in good colleges in Bangalore, but your PUC percentage should be good enough so that you don't need to take any entrance exam.

Yes, you may have a chance which will depend on your overall profile, projects i.e. the nature and quality of your internship, demonstration of research potential, recommendation letters, SOP, publications, etc. Please carefully read the selection criteria and prepare accordingly.

Eligibility for the course mentioned above is as follows:
1) Graduation in subjects such as Microbiology, Biochemistry or molecular biology with 60% marks at least or equivalent CGPA.
2) Few universities conduct entrance exams for admission into their degree courses.

List of institutes in kerala offering intergrated M.Sc courses:-
1. Rajitlal Institute of Technologyand Health Sciences (RITHS), Thiruvananthapuram
2. The Cochin College, Kochi
3. M.E.S Mampad College, Kerala
4. Nehru Arts and Science College, Kerala
5. National Institute of Technology Calicut (NITC)
6. St Teresa's College, Kerala
7. University Of Calicut, Kerala
8. University of Kerala, Thiruvananthapuram
9. Devaswom Board College, Kerala
10. Krishna Menon Memorial Govt Women's College - Kannur University , Kerala

Please refer to the link provided below for the list of colleges offering M.Sc in botany:
You will get the details like fee structures, admission details, eligibility criteria, placements, etc., in the link mentioned below. You should be able to make an informed decision of which college to prefer for a seat in M.Sc (Botany).
https://www.shiksha.com/science/colleges/m-sc-botany-colleges-india