The correct answer is option 'C' - Konkan.

Explanation:
The Western Coastal Plain of India is a narrow strip of land along the western coast of the country, stretching from Gujarat in the north to Kerala in the south. This coastal plain is divided into three parts - Konkan, Kannad, and Malabar.

- Konkan:
The northern part of the Western Coastal Plain is known as Konkan. It is located in the states of Maharashtra and Goa. The Konkan region is bounded by the Arabian Sea to the west and the Western Ghats to the east. It is known for its beautiful beaches, lush greenery, and stunning landscapes. The major cities in the Konkan region include Mumbai, Thane, Ratnagiri, and Panaji.

- Kannad:
The central part of the Western Coastal Plain is known as Kannad or Karnataka Coastal Plain. It is located in the state of Karnataka. The Kannad region is also bounded by the Arabian Sea to the west and the Western Ghats to the east. It is known for its diverse ecosystems, including mangrove forests, backwaters, and estuaries. The major cities in the Kannad region include Mangalore, Udupi, and Karwar.

- Malabar:
The southern part of the Western Coastal Plain is known as Malabar. It is located in the state of Kerala. The Malabar region is also bounded by the Arabian Sea to the west and the Western Ghats to the east. It is known for its serene beaches, coconut groves, and backwaters. The major cities in the Malabar region include Kozhikode, Kannur, and Kasaragod.

In summary, the northern part of the Western Coastal Plain of India is known as Konkan. It is located in Maharashtra and Goa and is known for its beautiful beaches and landscapes.