Having walked to the end of a tall earthen fortification dating back many centuries, and looking out across acres of shimmering paddy fields, Chandraketugarh may strike you as being largely about potential. What gets historians and archaeologists all excited about this ancient settlement in the North 24 Parganas district of West Bengal may not yet excite the ordinary tourist, for so much of Chandraketugarh continues to lie beneath the ground.