The correct answer is C. Eastern region.
The Odisha’s style architecture has been found in the eastern region of Jharkhand. This is because the eastern region of Jharkhand was once part of the Odisha kingdom. The Odisha kingdom was a powerful kingdom that ruled over a large area of land in eastern India. The Odisha kingdom was known for its beautiful architecture, and many of its buildings are still standing today. The Odisha style architecture is characterized by its use of intricate carvings and sculptures. The buildings are also often decorated with colorful tiles. The Odisha style architecture is a beautiful and unique style of architecture that is found in the eastern region of Jharkhand.
The other options are incorrect because:
- Option A is incorrect because the western region of Jharkhand is not known for its Odisha style architecture.
- Option B is incorrect because the northern region of Jharkhand is not known for its Odisha style architecture.
- Option D is incorrect because the southern region of Jharkhand is not known for its Odisha style architecture.