Abstract : Modern medicine and procedure of treatment is important in the fields of emergencies and infectious disease in aid to cure. Biologics or bio-drugs are generally defined as a wide range of products that includes various vaccines and gene therapy .The present research tries to evaluate the effectiveness of Bio-drugs in the modern medical science and the functions of therapeutics in the modern day treatment. Qualitative and secondary data collection method has been used in order to evaluate and analyse the present research.

Keyword : — bio-drugs, therapeutics, ADR, therapeutic protein, somatic cells, ankylosing spondylitis