An exchange of gunfire took place between suspected militants and the Sentry at an army camp near Ratnuchak in Jammu and Kashmir in the early hours of Sunday, officials said.
A suspicious movement was noticed by the Sentry on duty around 1.50 am at Ratnuchak Military Station in Bari Brahmana area, Defence Ministry Spokesman Lieutenant Colonel Devender Anand said.
"The suspects were challenged but they did not stop, thereafter warning shots were fired by the Sentry. The suspects fired back and rushed out of the sight," Anand said.
A search operation is underway.