The National Investigation Agency (NIA) has initiated a probe into the dropping of a tiffin box fitted with an Improvised Explosive Device (IED) using a drone, in Punjab's Amritsar on August 8.
The box contained five hand grenades, 100 cartridges, an explosive substance weighing over 2 kg, a switch and a remote control device.
The local police suspected that it was dropped using a drone operated from across the border in Pakistan.
The NIA is also investigating the explosions at the Jammu Air Force station on June 27, which were carried out using drones.
