The correct answer is c) Athirappilly-Vazhachal.
Athirappilly-Vazhachal is a wildlife sanctuary in Kerala, India. It is known for its scenic waterfalls, including the Athirappilly Falls, which is one of the largest waterfalls in India. The sanctuary is also home to a variety of wildlife, including elephants, tigers, leopards, and monkeys.
Chinnar Wildlife Sanctuary is a wildlife sanctuary in Kerala, India. It is known for its biodiversity, including a variety of plant and animal species. The sanctuary is also home to the Chinnar Dam, which is a major source of hydroelectric power in Kerala.
Idukki Wildlife Sanctuary is a wildlife sanctuary in Kerala, India. It is known for its forests, which are home to a variety of wildlife, including elephants, tigers, leopards, and monkeys. The sanctuary is also home to the Idukki Dam, which is a major source of hydroelectric power in Kerala.
Periyar National Park is a national park in Kerala, India. It is known for its wildlife, including elephants, tigers, leopards, and monkeys. The park is also home to the Periyar Lake, which is a popular tourist destination.