Opposition to raise Nagrota Attack issue in both the Houses (Lok Sabha and Rajya Sabha) today. 

Two Army officers and five soldiers lost their lives in a major terrorist attack on Tuesday at an army base near Jammu in the town of Nagrota, just 20 kilometres from the border with Pakistan.

A senior Army officer said that heavily-armed terrorists in police uniform stormed the 166 artillery unit before daybreak with guns and grenades and forced their way in.

An army spokesperson said the terrorists forced their entry into the Officers Mess complex by throwing grenades and firing at sentries. In the initial counter action, one officer and three soldiers were martyred.

The terrorists then entered two buildings housing officers and their families, leading to a "hostage-like situation".

"The situation was very quickly contained and thereafter, in a deliberate operation all were successfully rescued, which included 12 soldiers, two ladies and two children," the statement said.

Prime Minister Narendra Modi was briefed by Defence Minister Manohar Parrikar on the deadly attack.

Earlier, army chief General Dalbir Singh Suhag briefed Parrikar about the attack.

The ministry is also likely to seek a formal report from the army about the assault which came just two months after the deadly Uri terror strike.

Sources said the prime minister was briefed in Tuesday morning and again after the operation was over.