It is understood that Islamabad has deployed its Special Service Group (SSG), an elite commando force and Border Action Team (BAT) at the LoC.
On the night July 31 and August 1, Indian forces thwarted BAT attempt to infiltrate across the LoC at Karen sector.
The development comes days after Imran Khan resorted to the nuclear threat. On Monday, in an address to the nation on Kashmir, Pakistani Prime Minister Imran Khan had given a "nuclear threat".
He said: "India should remember that if the situation turns out worse and moves towards a war they should remember that both countries have nuclear weapons and one should remember that repercussions will be around the world, not just India and Pakistan."
Increased activity of terror groups has also been seen. Associates of Masood Azhar, the chief of United Nation listed terror group Jaish-e-Mohammed, have been noticed overlooking the training of terror groups, eager to cross over LoC.
Increased movement of terrorist has been reported in Muzaffarabad, Rawalakot and Kotli in Pakistan occupied Kashmir(PoK).
All ships at the Mundra port have been asked to vigilant watch and report any suspicious activity to marine control station.