The correct answer is: A) Old Mysore Region.
The Krishna Raja Sagara (KRS) Dam is a major dam on the Kaveri River in Mandya district of Karnataka, India. It is one of the largest dams in India and is a major source of irrigation for the Old Mysore Region. The dam was built in the 1930s and has a storage capacity of 12,000 million cubic meters. It is a major tourist attraction and is also a popular spot for fishing.
The Old Mysore Region is a region in Karnataka that is home to the city of Mysore. The region is known for its rich history and culture. It is also a major agricultural region and is home to many industries.
The other options are incorrect because:
- Coastal Karnataka is a region in Karnataka that is located on the Arabian Sea coast. The region is known for its beaches and its seafood.
- Northern Karnataka is a region in Karnataka that is located in the northern part of the state. The region is known for its hills and its forests.
- Malnad is a region in Karnataka that is located in the Western Ghats. The region is known for its coffee plantations and its wildlife.