Tungabhadra Board Tungabhadra Dam , Hospet Karnataka: (state) – India WORKING HOURS : 10:30 AM to 1:30PM & 2:15PM to 5:30PM on all working days. WEB INFORMATION – MANAGER Name: Shri Akhilanjan D Designation: Assistant Secretary, TB Board, TB Dam Email ID: [email protected] Phone No: 08394-259113 Tungabhadra Dam is a multipurpose dam across the Tungabhadra River in Karnataka, India. It was built by a joint project of Mysore and Hyderabad states in 1953 and is one of the largest non-cement dams in the world. Tungabhadra Dam authorities announce large-scale water release due to heavy rain, urging downstream residents to stay alert. Tungabhadra Dam , also known as Pampa Sagar, is a multipurpose dam constructed across the Tungabhadra River, a tributary of the Krishna River.