5. Leena Tewari
Leena Tewari is the heiress of leading pharmaceutical company USV India (set up in 1961 by her late father Vithal Gandhi along with Revlon). The media-shy heiress has a net worth of US$1.9 Billion, catapulating her to 1227 rank in the Forbes billionaires list 2019. The company is run by Leena’s husband Prashant (who is an IIT graduate and a mechanical engineer from Cornell). USV India produces a wide array of diabetic, cardiovascular, injectables, and biosimilar drugs, as well as active pharmaceutical ingredients.