If you want to study further, you can appear for exams such as UGC NET and JRF. JRF also gives you opportunities to become an assistant professor in reputed colleges.
You can do a P.hD after clearing NET and then apply for professorship in reputed colleges across India.
Other than that you can get jobs both in government sectors and private ones.
You can apply for job posts as follows:-
Lab assistants in schools (both private and government)
Production officer in chemical industries
You can do a one year course in B.Ed and become a school teacher.
You can take up jobs in Food farms and Forensics department as well
You may also appear for various other government jobs unrelated to your subject.
There is a plethora of options open for you!