Source: indialegallive.com At Ranthambore Tiger Reserve, he was the monarch of all he surveyed. Today, Tiger T24, popularly known as Ustad, is languishing in solitary confinement at Sajjangarh Biological Park in Udaipur. Ustad attained notoriety after he killed a forest guard on May 8, 2015. Tragically, it was human interference that made Ustad a man-eater.