The number of districts at interstate boundary of Chhattisgarh is

The correct answer is: D. 7

Chhattisgarh is a state in central India. It is bordered by the states of Madhya Pradesh to the north, Maharashtra to the west, Andhra Pradesh to the south, Odisha to the southeast, and Jharkhand to the east. The state has 7 districts at interstate boundary:

• Balodabazar district is bordered by the states of Madhya Pradesh and Maharashtra.
• Durg district is bordered by the states of Madhya Pradesh and Maharashtra.
• Janjgir-Champa district is bordered by the states of Madhya Pradesh and Odisha.
• Korba district is bordered by the states of Madhya Pradesh and Odisha.
• Raigarh district is bordered by the states of Madhya Pradesh and Odisha.
• Surguja district is bordered by the states of Madhya Pradesh and Jharkhand.
• Bastar district is bordered by the states of Madhya Pradesh, Maharashtra, and Odisha.

The other options are incorrect because they do not represent the correct number of districts at interstate boundary of Chhattisgarh.