Hi Rehan Ali,
Biotechnology is an emerging sector in India, and accounts for nearly 70% of total revenue of biotech sectors.
The average annual salary offered to such post graduate ranges between INR 10,000 to 20,000/-.
Here are some career opportunities for B.sc/ M.sc in biotechnology,
*for senior Associate scientist in biotechnology, the annual salary is around 6,40,634.
*for Research Biochemist- 5,75,329
*senior regulatory affairs associate - 3lakh per year
* biotechnology researcher- 5,75,329
*Associate engineer: 5,50,000
* quality controller:2,54,328
*regional manager : 9,97,328

Hope this helps you.

All the best.