Ranthambore National Park, a jewel in India's tiger conservation crown, has been home to some of the most celebrated big cats in the world. While Machali was called the Queen of Ranthambore, Ustad was known for his imposing size and dominant behaviour. Then there are sisters Riddhi-Siddhi, Junglee and Sitara along with Mala and Jhumroo who became very popular.