Karachi, Feb 16 (ANI): Pakistan released 172 Indian prisoners, all of them fishermen, as a "goodwill gesture. The Indian prisoners were freed from Malir jail in the port city of Karachi. All the released inmates were sent to Lahore by train. They will be handed over to Indian authorities at the land Wagah border on Monday. The fishermen had been arrested for illegal fishing in Pakistani waters. Pakistan and India routinely detain fishermen for entering each other's waters for fishing. They mistakenly enter other's waters as there is no demarcation of maritime boundaries.