"This led to a serious debate amongst all the archaeologists, of the world who were dealing with the Indus-Sarasvatj Civilization, directly or indirectly, What one group called ‘Pre-Harappan’, the other group called ‘Early Harappan’. Why this controversy cropped up? It is all a question of ‘approaches’ in archaeological Studies which are primarily two—the ‘culture-historical’ and “culture- processual’."