According to police, Dinesh Shekhar (36), Sushil Maratha (38), Santosh Balai (48) and Hari Singh (25) are criminals and had fatally stabbed the constable Dharmendra Singh Tomar (45).
"Tomar had tried to stop them from drinking liquor near a place of worship late on the night of August 26," said A K Kushwaha, Superintendent of Police.
Police had announced a reward of Rs 15,000 for giving information leading to the arrest of the assailants.
