Militants hurled the grenade at a road opening party of the Army at Sangam Chowk at around 4:05 pm, they said.
The grenade missed the intended target and exploded at the roadside wounding four civilians, they said.
Security forces cordoned off the area and launched a search operation to apprehend the attackers, the officials said adding no arrests had been made so far.
No militant outfit had claimed responsibility for the attack, they said.
Srinagar: Four civlians were injured on Monday in a grenade attack by militants in south Kashmir's Anantnag district, officials said.
First Published: Monday, May 14, 2012, 17:53