New Delhi, April 25 -- The National Investigation Agency (NIA) has seized various electronic devices and other incriminating materials during raids conducted at 18 locations in Punjab, Jammu and Kashmir, Rajasthan, Madhya Pradesh, Bihar, and Karnataka in a case linked to Pakistan-backed cross-border smuggling of arms and narcotics by Khalistani operatives, the agency said on Friday.

NIA teams are examining the seized items to unravel the entire conspiracy behind the smuggling and the radicalization of individuals in Punjab, Jammu and Kashmir, and other parts of India.

The searches were conducted on Thursday at the premises of suspected individuals connected to Pakistan-based entities in the case registered by the anti-terror agency on D...