Ram Lakhan (60) and his brother Barsati (50) were attacked with a sharp-edged weapon by accused identified as Fauzdaar, his brothers Asharam, Siyaram and Ramesh in Teliyanpurwa Mithaura village late last night, they said.
Ten days ago, both the parties had a dispute over cattle entering their fields, police said.
Acting on a complaint of Barsati's son Ramu, the police have lodged an FIR and efforts are on to nab the accused.