In the last four-and-a-half years, BDF has apprehended 72 illegal Bangladeshi migrants who had arrived in Punjab looking to cross the border.
"Alert BSF jawans posted at the international border in Punjab have over the past few years foiled several bids by illegal Bangladeshi migrants to cross over into Pakistan," BSF (Punjab Frontier) Inspector General Aditya Mishra told PTI.
Two such migrants have been arrested so far this year while trying to cross the border.
Intelligence officials meanwhile said that whereas the illegal migrants earlier used to take the Kashmir route to cross the border, tightening of vigilance along the Line of Control had seen them now flock to Punjab.
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"Poor and illiterate Bangladeshis fall prey to unscrupulous agents who promise them passage to and a job in the Middle-East before taking money from them and leaving them in the lurch," Mishra said.
"It has happened sometimes that Pakistani Rangers have asked us to take back some of the illegal Bangladeshis whom they happen to have caught in their territory.
"But we cannot oblige them as these people are not Indian citizens," Mishra said.