The correct answer is: A. Raigarh
Sitabengra cave is located in Raigarh district of Chhattisgarh, India. It is a Buddhist cave complex that dates back to the 2nd century BCE. The cave complex consists of a number of chambers, including a large chamber that is believed to have been used as a drama theatre. The theatre is located in the center of the cave complex and is surrounded by a number of smaller chambers. The theatre is rectangular in shape and has a capacity of around 200 people. The walls of the theatre are decorated with a number of paintings and sculptures. The paintings depict scenes from Buddhist mythology, while the sculptures depict Buddhist deities. The theatre is a significant archaeological site and is a popular tourist destination.
Option B: Ramgarh is a town in the Indian state of Chhattisgarh. It is the headquarters of Ramgarh district. The town is located on the banks of the Mahanadi River. Ramgarh is a major industrial town and is home to a number of steel mills and power plants. The town is also a major transportation hub and is connected to other parts of the country by road, rail, and air.
Option C: Navagarh is a town in the Indian state of Chhattisgarh. It is the headquarters of Navagarh district. The town is located on the banks of the Indravati River. Navagarh is a major tourist destination and is home to a number of historical monuments, including the Navagarh Fort. The town is also a major agricultural center and is known for its production of rice, wheat, and sugarcane.
Option D: None of the above is incorrect. The drama theatre constructed in Sitabengra cave is located at Raigarh.