The body of Squadron Leader (Retd.) Baldev Singh, director of corporate planning and marketing of the state-run Hindustan Aeronautics Ltd. (HAL), was found hanging from a tree atop Nandi Hills, a popular hill station near this tech hub, police said Tuesday.

"Fiftyeight-year-old Baldev Singh was found hanging with his turban cloth from tree. We have registered a case of unnatural death," Chickballapur District Superintendent of Police S. Pawar told IANS.