New Delhi, May 20 -- The National Investigation Agency (NIA) has arrested a Pakistan-backed spy accused of clandestinely passing sensitive security-related information to Pakistan Intelligence Officers (PIOs) as part of an anti-India terror conspiracy.

The arrested accused, identified as Zafar Riaz, alias Rizvi, a resident of Kolkata, had a Look Out Circular (LOC) issued against him.

Proceedings were also underway to declare him a Proclaimed Offender (PO) when he was taken into custody.

He has been booked under various sections of the Bharatiya Nyaya Sanhita (BNS), the Official Secrets Act, and the Unlawful Activities (Prevention) Act (UA(P)A), according to NIA officials.

As per the NIA investigations, the accused was earlier convicte...