This document summarizes the top 10 pharmaceutical companies in India by market capitalization in June 2020. It provides brief histories and descriptions of each company, including their founding dates and locations, major products and therapeutic areas, and growth over time to become leaders in the Indian pharmaceutical market. The companies discussed are Sun Pharmaceuticals, Dr. Reddy's Laboratories, Divi's Laboratories, Cipla, Aurobindo Pharma, Torrent Pharmaceuticals, Lupin Ltd, Zydus Cadila Healthcare, Abbott India, and Alkem Laboratories.