Bihar Police on Thursday issued a statewide high alert after receiving intelligence inputs that three suspected operatives of Pakistan-based terror outfit Jaish-e-Mohammed had infiltrated the state through the Nepal border.
According to senior officials, the three men have been identified as Hasnain Ali from Rawalpindi, Adil Hussain from Umerkot and Mohammad Usman from Bahawalpur.
The Bihar Police Headquarters said intelligence reports indicated the suspects reached Kathmandu in the second week of August before crossing into Bihar last week.
The police headquarters has circulated passport-related details of the men to police units in border districts.
Security agencies have been directed to step up surveillance, monitor movement across sensitive areas and intensify intelligence-gathering operations. District intelligence units have been asked to take immediate action if any suspicious activity is detected.
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Officials said Bihar had already tightened border security earlier this year. In May, police increased vigilance along the Indo-Nepal frontier and in Seemanchal districts as part of Operation Sindoor and in preparation for the Assembly elections due later this year.
Patrolling has been stepped up in areas including Madhubani, Sitamarhi, Supaul, Araria, East Champaran and West Champaran.
Bihar shares a 729-kilometre open border with Nepal, making it a key hotspot for infiltration and cross-border movement. Seven districts in the state lie directly along this porous frontier, posing significant challenges for round-the-clock surveillance and security enforcement.
India shares land borders with seven countries: China, Pakistan, Bangladesh, Nepal, Bhutan, Myanmar and Afghanistan. It also shares maritime boundaries with Sri Lanka, the Maldives and Indonesia.