The man has been nabbed by the force at around 10 am from near the Hussainiwala India-Pakistan retreat ceremony area in Ferozepur sector.
The man, being grilled by a joint team of the paramilitary force, intelligence and state police officials, had reportedly crossed over the border and came up to the fence when a BSF patrol intercepted him, they said.
The man has informed the officials that his name is Shabaz and he is a resident of Pindi village in Kasur district of Pakistan.
Six face masks, few empty plastic bottles and a matchstick has been recovered from the man, they added.