The deceased were identified as Khalil Miah, 25, and his younger brother Oliullah, 22, sons of Kabir Miah of the village.
Nazarpur union parishad chairman Badal Sarkar said there was a longstanding dispute between the two brothers and their uncle Rashed over drug peddling.
As the sequel of the dispute, Khalil who was released from jail on Sunday last and Oliullah swooped on Rashed at his house at noon and beaten him.
Following the attack, agitated Rashed and his brother Khorshed attacked the two brothers with sharp weapons in the afternoon and hacked them indiscriminately, leaving them dead on the spot, the chairman said.
On information, police recovered the bodies and sent those to Narsingdi Sadar Hospital for autopsy, said Syeduzzaman, officer-in-charge of Sadar Police Station.
There were five cases against Khalil while one against Oliullah with the police station, the OC added.