Hi Yusra.

With a degree in microbiology/biotechnology/biomedical science, you could work in hospitals, clinical labs, public healthcare organizations, pharmaceutical companies, food and beverage industry, dairy industry, environmental science organizatiom, medical devices companies, research centres, universities, etc.

You may alternatively appear for IAS, IPS, IFS, Food Inspector exam, Patent Agent and other such exams conducted by the government.

Hope it helps.