Lt Colonel E K Niranjan was undertaking a mopping up and render safe procedure on the encounter spot when a blast occurred and splinters and sharpnels hit the officer fatally.
His body will be taken to his native village in Kerala's Palakkad district later in the day for cremation.
The two-and-a-half-year-old Belgian Malinois dog and his handler have been recommended for bravery decoration by the NSG headquarters for displaying 'raw courage and dedication to duty' in the face of extreme threat and danger.
Suspense over the identity of the leader of a National Security Guards (NSG) team which had shot dead a terrorist at Hotel Oberoi on November 26 last year got over with NSG informing police on Wednesday that he was Lt Col R K Sharma.
The National Security Guard lost an experienced counter-Improvised Explosive Device officer to a deadly booby trap in the Pathankot terror attack as the terrorists used an innovative technique whose antidote was not included in the Standard Operating Procedure of the elite counter-terror force.
A pillar had encroached on a storm water drain at Doddabommassandra near Vidyaranyapura and officials had marked the portion for demolition.
In a faux pas, NSG Chief R C Tayal on Tuesday claimed his men defused an Improvised Explosive Device recovered from high-security DRDO Bhawan after "no other agency" could handle the situation, but it later turned out to be a bomb of World War II vintage.
The terrorists who had stormed the Pathankot air base were "well trained" and "strongly stocked" with arms and ammunitions to inflict heavy damage to the assets stationed there and that explains the long counter-terror operations going on against them, top government sources said.
The NSG, aided by the Garuds and the Army, conducted a chain of surgical 'step by step' operations to eliminate the six terrorists.
A day after National Security Guard Lt Col Niranjan Kumar and Garud Commando Gursewak Singh were slain in the Pathankot air base attack, their remains were brought home for the last rites. Locals, family members and politicians gathered to pay their respects to these heroes.
Intermittent blasts and exchange of fire to neutralise two more terrorists continued on Sunday night at Air Force Station in Pathankot, Punjab where four terrorists were killed, seven security men lost their lives and 17 persons were injured in the over 40-hour-long operation.
Ahead of the visit of Pakistani Special Investigating Team, likely to take place in the last week of this month, the NIA sent the Letters Rogatory, a legal document sent through the special court asking details about the phone numbers dialled by the four terrorists.
A five-member JIT from Pakistan reached Pathankot on Sunday to carry out a probe into the attack at the IAF base at Pathankot.
India plans to provide the probe team from Pakistan access to all witnesses in the Pathankot terror attack case but not security personnel from the National Security Guard or the Border Security Force.
Pathankot residents expressed anger over frequent cross-border strikes and sought enhanced border security and strengthening of the police set-up.