kalyan a police constable balu chavan has been admitted to hospital with multiple stab injuries he sustained while trying to stop four men in a car from fleeing the bikeborne cop noticed the four in a car at ambernath late friday evening with bloodstains on their clothes as he tried to intercept their car they allegedly attacked him with swords the police said adding that chavans condition is now stablepolice teams later arrested the four men ankit singh alias dilkhush his brother ankush shivraj pawar and abid shaikh the police said that the four had earlier consumed drugs and vandalised two vehicles besides ransacking a political party workers office in ulhasnagar before attacking the cop