Zahoor Ahmad Dar, posted as a PSO to MLA-elect of Homeshalibugh constituency in Kulgam, was critically injured in the militant attack near his home in Redwani area of Kulgam, police said.
Dar was taken to a hospital in critical condition but succumbed on the way.
A civilian Zahoor Ahmad Elahi was also injured in the attack but is stable, the police said.
They said Dar was on his way to work this morning and was riding on Elahi' s motorcycle when the militants fired upon them.