What is the name of the original state from which Chattisgarh was carved out?

Madhya Pradesh

Chhattisgarh
On the basis of a separate regional culture or complaints of regional imbalance in development, the states of Chhattisgarh, Uttarakhand, and Jharkhand, were created in the year 2000. Chhattisgarh was carved out of eastern Madhya Pradesh. The demand for a separate state aimed to preserve and promote the cultural and linguistic heritage of the region.