A senior police officer said a group of heavily armed militants opened indiscriminate fire at a police vehicle in Bongam Qazigund of Kulgam district.
"Four cops were injured in the firing incident. The injured cops were initially shifted to local hospital where the attending doctors referred them to capital Srinagar for specialised treatment," the officer said.
Senior police officers along with reinforcements rushed to the spot.
The area has been cordoned off for searches. No group has yet claimed responsibility for the attack.
RS polls: BJP gains, Sibal survives cross voting scare in UP
Bolt clocks year's second fastest time to win Racers GP
Rajya Sabha voting in progress; photo-finish likely in some seats
50 killed, 53 injured in 'mass casualties' in Florida nightclub attack
Unidentified gunmen kill civilian in south Kashmir