The correct answer is option 'B', Madhya Pradesh.

Kadaknath chicken, a unique breed of poultry, has received the Geographical Indication (GI) tag. This recognition is given to products that have a specific geographical origin and possess qualities or reputation that are attributable to that origin. The GI tag ensures that only the authentic product originating from a particular region can be marketed under that name.

Kadaknath chicken is primarily found in the state of Madhya Pradesh in central India. It is indigenous to the Jhabua and Alirajpur districts of the state. The Kadaknath breed is known for its distinct black color, strong flavor, and tender meat. It is also believed to have several health benefits and is often considered as a delicacy.

Now, let's delve into some key points about the significance and characteristics of Kadaknath chicken:

1. Unique Breed:
- Kadaknath chicken is a native breed of India, specifically found in parts of Madhya Pradesh.
- It is known for its adaptability to local conditions and resistance to diseases.
- The breed has been traditionally reared by tribal communities in the region.

2. Distinct Features:
- The most notable characteristic of Kadaknath chicken is its black color, both in its feathers and meat.
- The meat is lean, tender, and has a rich flavor.
- It has a high protein content and low fat content, making it a healthier alternative to other poultry.

3. Nutritional and Health Benefits:
- Kadaknath chicken is believed to have several medicinal and therapeutic properties.
- It is considered to be rich in iron, vitamins, and amino acids, which are beneficial for overall health.
- The breed is also known for its low cholesterol content and high levels of essential nutrients.

4. Economic Importance:
- The recognition of Kadaknath chicken with the GI tag is expected to boost its market value, both domestically and internationally.
- It will help in protecting the authenticity and quality of the breed, preventing counterfeits or inferior products from being sold under the same name.
- The GI tag will also promote the livelihoods of the local communities involved in rearing and selling Kadaknath chicken.

In conclusion, Kadaknath chicken, a unique and indigenous breed of poultry, has received the Geographical Indication tag. It is primarily found in the state of Madhya Pradesh, known for its distinct black color, strong flavor, and health benefits. The GI tag will help protect the authenticity and market value of Kadaknath chicken while supporting the local communities involved in its production.