B.Sc

Teaching and Research are two main career which always reaps good after doing post graduation in Science. You have opportunities of doing post graduation in main applied field of Science like zoology, botany, chemistry, genetics, microbiology, biotechnology. Make up your mind which career you want to choose and then follow the line.

It will be more useful if you can specify your confusion.

The minimum educational qualification of the candidate must be that of a graduate from a designated University. Take a test for PO in banks or enter in marketing sector in banks.

Minimum 80% marks is required for admission in good college.

You need to write EAMCET exam after your class 12th.
Then, according to your rank and marks obtained, for your reserved category, you may obtain a seat in the college.

B.Sc Mathematics graduates have both, government and private job opportunities available in front of them. Some of the prime recruiters are:
Schools
Colleges
Coaching Centers
Banks
Government Organizations
Financial Institutes
IT Firms
Research Firms
Consultancies
In the above mentioned work setups, B.Sc Mathematics graduates may take up the following job profiles:
Teacher
Lecturer
Instructor
Research Professional
Consultant
Banker
Loan Officer
Mathematician
Ample self-employment opportunities are also available in front of B.Sc. Mathematics graduates. They may start their own tuition or coaching center. Regards.

Please refer to the link provided below for an exhaustive list of colleges which offers M.Sc. In chemistry. There is a pool of 405 institutes in India which offers M.Sc. Chemistry, and you can navigate to a college of your choice using the filters on the web page. https://www.shiksha.com/science/colleges/m-sc-chemistry-colleges-india.