The correct answer is (b), Mayurbhanj.
Mayurbhanj is a district in Odisha, India. It is the largest district in the state, covering an area of 30,761 square kilometers. The district is known for its significant goat population, which is estimated to be over 1 million. The goats are raised for their meat, milk, and hides. The district is also home to a number of tribal groups, who have a long history of goat herding.
The other options are incorrect. Malkangiri is a district in Odisha, India. It is the second largest district in the state, covering an area of 26,259 square kilometers. The district is known for its forests and wildlife. Kendrapara is a district in Odisha, India. It is the third largest district in the state, covering an area of 23,032 square kilometers. The district is known for its beaches and temples. Koraput is a district in Odisha, India. It is the fourth largest district in the state, covering an area of 20,985 square kilometers. The district is known for its hills and forests.