Police have arrested three brothers of a family from Biratnagar-5 in accusation of stabbing knife to a neighbor. 19-year-old Suraj Raya,28-year-old Gobin Raya and 38-year-old Lalbabu Raya were arrested for attacking their neighbor, 33-year-old Santosh Kamat, on June 26. DSP Bed Prasad Gautam said that Kamat, who sustained an injury in in stomach and left hand, was in Biratnagar nursing home for treatment.  Police said the reason behind the attack is a dispute over drainage management.