Vastavam web: PVRK Prasad, a retired IAS officer, worked as chief executive officer of Tirumala Tirupathi Devasthanams and as an advisor for former prime minister P.V.Narasimha Rao is passed away in a private hospital at Hyderabad. His final rituals will be held at Hyderabad today. He worked in key posts in Kotla Vijaya Bhaskara Reddy, Chenna Reddy, N.Janarthan Reddy, NTR, Chandrababu Naidu cabinets too. Apart from his regular duties, he wrote many books on Tirumala Devastham and its greatness. His final rituals will be held today at Hyderabad.