The correct answer is b) Brahmagiri Hills.
The Brahmagiri Hills are a mountain range in the Western Ghats of India. They form the natural boundary between the states of Kerala and Karnataka. The highest peak in the Brahmagiri Hills is the Brahmagiri Peak, which is 2,657 meters (8,717 feet) above sea level. The Brahmagiri Hills are a popular tourist destination, and are home to a number of waterfalls, including the Athirappilly Falls and the Vazhachal Falls.
The Anamalai Hills are a mountain range in the Western Ghats of India. They are located in the state of Tamil Nadu, and form the natural boundary between Tamil Nadu and Kerala. The highest peak in the Anamalai Hills is the Anamalai Peak, which is 2,695 meters (8,842 feet) above sea level. The Anamalai Hills are a popular tourist destination, and are home to a number of wildlife sanctuaries, including the Anamalai Tiger Reserve.
The Nilgiri Hills are a mountain range in the Western Ghats of India. They are located in the states of Tamil Nadu, Karnataka, and Kerala. The highest peak in the Nilgiri Hills is the Doddabetta Peak, which is 2,637 meters (8,651 feet) above sea level. The Nilgiri Hills are a popular tourist destination, and are home to a number of hill stations, including Ooty, Coonoor, and Kotagiri.
The Cardamom Hills are a mountain range in the Western Ghats of India. They are located in the state of Kerala. The highest peak in the Cardamom Hills is the Anamudi Peak, which is 2,695 meters (8,842 feet) above sea level. The Cardamom Hills are a popular tourist destination, and are home to a number of tea plantations.