As per a group of researchers traces of Paleo- river has been found in Dhar district of Madhya Pradesh.
What is a Paleo-river?
It is an inactive river or water stream buried under sediment.
As per Mangal Panchayatam Parishad, the group doing research, the 65 million year-old river got buried under basaltic lava due to geological activities.
The river flowed in the same direction (East to West) as the Narmada.
Currently, the course of the Narmada is about 10 km from the site of the paleo-river, parallel to it.