Hyy sachin, 

PCB is an awesome combination of pure sciences which has immense opportunities which can take you ahead. Following are some of the options:

• Research and development

One can easily take any of the subject physics, chemistry or biology for their specialization in masters and phd.

Apply for jobs in research and development department of various public and private sector.

• Clinical Research

It aims at introducing new drugs and improving health statistics.

Students having graduation degree from any of the subjects like genetics, botany, zoology, biochemistry, medicine etc. can opt for it.

After having graduation, get a professional industrial certification of POST GRADUATE DIPLOMA IN CLINICAL RESEARCH.

It is a 12 months course after which you can easily apply for a job in companies cognizant, TCS as a clinical data manager, clinical research associate, manager clinical trial operations.

If you do Masters in Life Sciences / Microbiology / Biotechnology / Pharmacy / Medicine / Nursing / Physiotherapy / Dentistry / Homeopathy / Ayurvedic and Veterinary Science with min 55% you can also work as clinical research scientist in research and development sector.

I hope this helps