The incident took place this morning at 9 AM when Lal Singh (55) and his two sons Satish (35) and Amrish (25) were killed by Singh's brother and nephews over the dispute.
The three accused have been identified as Pramod (50), Aditya (25) and Monu (22), police said, adding that security has been tightened in the village and a search has been launched to the nab them.