The rows of hearths were discovered at Atranjikhera and at Ahichchhtra both of which are in western Uttar Pradesh. The excavations show that these hearths were meant for communal feeding or for cooking the food of large families.
According to B. B. Lal, former DG of ASI, Kalibangan site shows that an earthquake occured around 2600 BC, which brought to an end the Early Indus settlement at the site. It is perhaps the earliest archaeologically recorded earthquake.
The finest examples of the art during the Gupta period are Ajanta caves. Out of the 31 rock-cut cave monuments at Ajanta, five are Chaitya Grihas. The five chaitya grihas are cave numbers 9, 10, 19, 26, and 29.