The assailants barged into the house of Delaru Chand (28) and hacked him and his two minor children - six month-old son and one and a half year-old daughter - with a sharp object killing them on the spot, Deputy Superintendent of Police (DSP) Suresh Kumar said.
The assailants also attacked Bind's wife Reema Devi injuring her grievously in Kekhara village under Mohania police station area, he said adding that she was taken to the Sub-Division hospital for treatment.
The bodies have been sent for post-mortem.