Question

where is nagararjuna sagar located and who constructed it​

Answer 1

It is located in Nalgonda District, Telangana state,India. It was inaugurated by Jawaharlal Nehru.

hope this answer is correct....

Answer 2

Nagarjuna Sagar dam was built across the Krishna river at Nagarjuna Sagar where the river forms the boundary between Nalgonda District in Telangana and Guntur district in Andhra Pradesh States in India. the construction duration of the dam was between the years of 1955 and 1967.