Senior IPS officer Rajiv Ratan died on Tuesday, 9 April, following a cardiac arrest at a private hospital in Hyderabad, official sources said. Ratan, headed the vigilance and enforcement inquiry, appointed by the state government on the Medigadda barrage (of the Kaleshwaram project). Ratan, an IPS officer of 1991 batch, was serving as Director General of Telangana Vigilance and Enforcement.