B.Sc

B.Sc in nautical science has much scope in future. The starting salary is approximately Rs 40,000 and in the case of international companies the emolument received is higher.

Yes, you can, but you need to start from the first semester.

Mathematics and Psychology are two completely different paths, if you are interested in psychology, drop your field if you are in the 1st year and follow your passion. Do not waste your time doing irrelevant things which you are not interested.If you are at the peak (final year) of your B.Sc maths field, I suggest you complete graduation, so that you have a degree which acts as a backup plan/source of the part-time income.

Government Film & Television Institute
AAT College-Sound Engineering & Film Making
Audio Academy
Mix Music Academy.

Mostly Current Affairs/News; New Business Trends; GD
Personal Interview: Questions on business concepts like forward integration, merchandising, etc.
You have secured a good percentile in MAT, congrats.
As the eligibility cut-off in TSM is 70%ile for male and 65%ile for female.

Yes, there may be entrance exams. For further details, you should go through its official website.
Thanks.

Please refer to the link provided below for details regarding B.Sc (Biotechnology, Chemistry, Microbiology) from M.S. Ramaiah College of Arts, Science and Commerce.
Admission is based on marks obtained in 10+2. Interested candidates can apply online or offline with the required information.
Regards.
https://www.shiksha.com/science/course/b-sc-biotechnology-chemistry-microbiology-m-s-ramaiah-college-of-arts-science-and-commerce-m-s-r-nagar-bangalore-284373

No need to have good marks. Placements only depend on your skills and knowledge like you are a good programmer then only you will get hired. Suppose, you don't like programming, but you are perfect in networking or designing field, you will get a job easily. In earlier days, the network engineering had a good demand in the market so take your choice and go ahead.

You have a wide variety of choices, you can go for specialisation in botany, agricultural science, forestry, biotechnology, environmental science, nutrition, chemistry , biochemistry. There are few other options as well which include the course related to the given subjects.

Please refer to the link provided below for details regarding B.Sc in Psychology from PSG College of Arts and Science. You should be able to download college brochure which contains details regarding admission details and course eligibility. Alternatively, visit college web site for details regarding admissions for this course. Regards.
https://www.shiksha.com/science/course/b-sc-in-psychology-psg-college-of-arts-and-science-psgcas-coimbatore-75294
(Website:- http://psgcas.ac.in/)
Regards.