The deceased has been identified as Mukrim, they said.
He had gone missing on Tuesday. His body was found in a pond at Kairana town last evening, police said.
Police have arrested one Anees who confessed that Mukrim was strangulated to death and the body was dumped into the pond, said Circle Officer N P Singh.
A case has been registered against four persons including the key accused and three other suspects -Javed, Imran and Jamshed, Singh said.