MSD operates in India via three separate legal entities MSD Pharmaceuticals Pvt. Ltd., Organon India Limited and Fulford India Limited.

Since its existence in India, the company has moved quickly in laying the foundation for a successful business in India; a business that is differentiated by its focus on putting patients first and launching innovative products those are relevant to India. MSD India currently operates in various therapeutic areas including Metabolics, Cardiovascular, Vaccines, Critical Care, Immunology, Virology, Oncology, Women's health, Dermatology, Respiratory, Virology, Muskulotology and Primary Care.

Post integration with Schering-Plough, the new MSD India offers a much stronger, diversified and higher value product portfolio of over 75 brands in various therapeutic areas, of which 13 are already category leading products.