The correct answer is: b) Western Ghats.
The Western Ghats are a mountain range that runs along the western coast of India. They are the main mountain range in the state of Tamil Nadu. The Western Ghats are a UNESCO World Heritage Site. They are home to a variety of plant and animal life, including many endangered species. The Western Ghats are also a popular tourist destination.
The Eastern Ghats are a mountain range that runs along the eastern coast of India. They are not as high as the Western Ghats, and they are not as well-known. The Eastern Ghats are home to a variety of plant and animal life, but they are not as popular as a tourist destination as the Western Ghats.
The Himalayas are the highest mountain range in the world. They are located in northern India, Nepal, Bhutan, China, and Pakistan. The Himalayas are a popular tourist destination, but they are not located in Tamil Nadu.
The Satpura Range is a mountain range that runs through the states of Madhya Pradesh, Chhattisgarh, Maharashtra, and Gujarat in India. It is not located in Tamil Nadu.