As part of an anti-India espionage network, the National Investigation Agency (NIA) on Wednesday arrested a Kolkata-based man for allegedly passing confidential security-related information to Pakistan Intelligence Officers (PIOs).Sharing details of the arrest on X, the official NIA India account said, “A Pak-backed spy, Zafar Riaz @ Rizvi of Kolkata, has been arrested in an espionage racket, in which he was engaged in clandestinely passing confidential security-related information to Pakistan Intelligence Officers (PIOs) as part of an anti-India terror conspiracy.”According to the agency, the accused 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].“A Look Out Circular was issued against him and proceedings were also under way to declare him a Proclaimed Offender (PO) when he was taken into custody,” the NIA said in its press release.The agency further revealed during its investigation that the accused was married to a Pakistani national and had been travelling frequently between India and Pakistan since 2005.“During one such visit, he was contacted and cultivated by PIOs to carry out espionage activities in India in lieu of financial inducements and the promise of Pakistani citizenship,” the release added.NIA reveals alleged espionage networkAccording to the NIA, the accused allegedly facilitated espionage and terror operatives by sharing One-Time Passwords (OTPs) linked to Indian telecom mobile numbers with a PIO to activate WhatsApp accounts.The agency claimed these accounts were later used by the alleged PIO to communicate secretly with Motiram Jat, another accused in the case, who was allegedly involved in passing sensitive security-related information.Investigation continuesThe NIA said investigations are underway to identify other individuals linked to the espionage racket and uncover the larger conspiracy behind the operation.The arrest comes amid wider crackdowns by the agency across states including West Bengal, Delhi, Uttar Pradesh, and Rajasthan to dismantle alleged cross-border intelligence networks.