The correct answer is: a) Eravikulam National Park.
Eravikulam National Park is a national park in the Idukki district of Kerala, India. It is located in the Western Ghats, and is home to a variety of wildlife, including the Nilgiri tahr, the endangered lion-tailed macaque, and the endangered Nilgiri langur. The park is also home to a variety of plant life, including the endangered Neelakurinji flower.
Eravikulam National Park was established in 1972, and was declared a UNESCO World Heritage Site in 1986. The park is open to tourists, and there are a number of hiking trails that allow visitors to see the park’s wildlife.
The other options are incorrect because:
- b) Silent Valley National Park is located in the Palakkad district of Kerala.
- c) Periyar National Park is located in the Idukki district of Kerala.
- d) Kumarakom Bird Sanctuary is located in the Kottayam district of Kerala.