OneSource Specialty Pharma Ltd. operates as a a biopharmaceutical company, engages in the research, development, manufacture, and commercialization of biological drug products in various injectable formats in India and internationally. It provides end-to-end CDMO services across various phases of preclinical and clinical development and commercial supply of biologics. The company was founded by Arun Kumar on June 12, 2007 and is headquartered in Bangalore, India.