Khetri is  a copper age settlement around 60 km away. Matsya-Bairath region of which it is part has been numerously referenced in Mahabharata and Manusmriti.
The ancient settlement of Khetri, dating back to the Copper Age, is situated roughly 60 kilometers from another location.  The Matsya-Bairath region, where Khetri is located, has been repeatedly featured in the Mahabharata and Manusmriti.