The correct answer is A. Aralam.
Aralam National Park is the first national park of Kerala, India. It is located in the Kannur district of Kerala, about 100 km from the state capital Thiruvananthapuram. The park was established in 1976 and covers an area of 77.5 square kilometers. The park is home to a variety of wildlife, including tigers, elephants, leopards, deer, and monkeys. It is also home to a variety of birds, including peacocks, hornbills, and kingfishers.
The park is a popular tourist destination and offers a variety of activities, including trekking, camping, and bird watching.
Option B, Kottayam, is a district in Kerala. It is located in the central part of the state and is known for its beautiful backwaters. The district is also home to a number of important historical and cultural sites.
Option C, Idukki, is a district in Kerala. It is located in the central part of the state and is known for its beautiful hills and forests. The district is also home to a number of important hydroelectric projects.
Option D, Iravikulam, is a wildlife sanctuary in Kerala. It is located in the Idukki district and is home to a variety of wildlife, including tigers, elephants, leopards, deer, and monkeys. The sanctuary is also home to a variety of birds, including peacocks, hornbills, and kingfishers.