Hence a fortress was erected to guard this entry point in the 17th century .
The peaceful ferry wharf that connects Illhas to Bicholim was once a hostile border between the Portuguese and the kingdom of Bijapur .
A fortress was erected to guard this entry point in the 17th century .
The peaceful ferry wharf that connects Illhas to Bicholim was once a hostile border between the Portuguese and the kingdom of Bijapur .