The clash, which erupted in Takhtpur village, was the fallout of a financial dispute between relatives Bhanwarram and Gopalram for the past several years, police said.
Sticks and sharp-edged weapons were used in the clash that left 27 injured from both sides, they said.
Seventeen were admitted to a hospital while rest of the injured were discharged after treatment, police said.
Some persons had been detained in connection with the clash.