Meanwhile, a precautionary blackout has been enforfced in the multiple areas amid the esclating tensions between India and Pakistan.
Colonel Sofiya Qureshi revealed that 300 to 400 drones were deployed across 36 locations, with several being shot down by Indian forces using both kinetic and non-kinetic methods.
The exercise, which began from Saturday, was being carried out to "thwart any ill designs of anti-national elements" during the Republic Day celebrations, the BSF Gujarat Frontier said in a release.
The BSF claimed to have foiled the plans of terrorists to disrupt the Amarnath Yatra.
A suspected Pakistani spy was on Thursday arrested from Indo-Pak international border in Rajasthan, police said. The arrested, identified as Ismail Khan, used to work as an Inter-Services Intelligence agent, a senior police officer said.
Officials of the border guarding force had earlier called the incident ceasefire violation along the IB but as the details of the report came in, it was found to be an infiltration bid by armed terrorists.
Hazra, who hails from Murshidabad in West Bengal, has served for about 27 years in the border guarding force. He is survived by a 21-year-old daughter and an 18-year-old son.
Pakistan government repatriated 172 Indian fishermen and one civil prisoner on Monday.
The force later examined the tunnel and found plastic sandbags on its mouth that had "Pakistani markings" on them.
The BSF commanders initially thought that the jawan was killed by a sniper shot from across the border.
As a tribute on 67th Republic Day, search giant Google's doodle on Tuesday showed a march of a richly caparisoned camel contingent of the Border Security Force, a major attraction at the annual parade at the Rajpath on January 26.
In an afterthought, the contingent of camels caparisoned in rich bridal attire and silver bracelets jingling has been finally called in to march down the Rajpath, keeping alive the 66-year-old tradition of the country's main parade on January 26.
The sources said the Pakistani side, which spoke to the Border Security Force officials in the noon over phone, 'denied any hand' in the killing of Head Constable Narender Singh on September 18.
The martyr's father Udham Singh said he was proud of his son, but wanted that Pakistan be given a befitting reply.
In the frontier areas of Jammu district, the number of people staying in the safe camps has also dwindled as the people want to tend to their standing crops.
Fear and uncertainty have returned to haunt the residents in areas along the Indo-Pak border in Jammu and Kashmir, where heavy mortar shelling by Pakistan Rangers has triggered migration.
The National Investigation Agency on Monday filed a chargesheet in the Pathankot airbase terror attack, naming Pakistan-based Jaish-e-Mohammed chief Masood Azhar and three others of his organisation as accused.