The man's wife and two of his daughters died on the spot while one daughter is in critical condition and has been admitted to the hospital.
When their son came home on Thursday morning and enquired about his mother, the accused told him about the incident and fled, police said.
Gehlot alleged that the BJP is trying to divert public attention from the gruesome crime which took place in Hathras.
Hathras gang rape case: UP Police arrest Congress leaders Rahul and Priyanka, prevent them from meeting victim's family
Ahead of Gandhis' visit, Section 144 has been imposed in the district and the borders have been sealed.