A national park known for its diverse wildlife and scenic beauty is:

Phawngpui National Park
Murlen National Park
Khawnglung Wildlife Sanctuary
Dampa Tiger Reserve

The correct answer is: a) Phawngpui National Park.

Phawngpui National Park is a national park in the state of Mizoram, India. It is located in the southern part of the state, and is bordered by Myanmar to the east. The park is named after Mount Phawngpui, the highest peak in Mizoram.

Phawngpui National Park is known for its diverse wildlife and scenic beauty. The park is home to a variety of animals, including tigers, elephants, deer, and monkeys. The park is also home to a variety of birds, including hornbills, peacocks, and kingfishers.

The park is a popular tourist destination, and is known for its trekking trails, waterfalls, and scenic views.

Here is a brief description of each option:

a) Phawngpui National Park is a national park in the state of Mizoram, India. It is located in the southern part of the state, and is bordered by Myanmar to the east. The park is named after Mount Phawngpui, the highest peak in Mizoram.

b) Murlen National Park is a national park in the state of Mizoram, India. It is located in the northern part of the state, and is bordered by Assam to the north. The park is named after the Murlen River, which flows through the park.

c) Khawnglung Wildlife Sanctuary is a wildlife sanctuary in the state of Mizoram, India. It is located in the southern part of the state, and is bordered by Myanmar to the east. The sanctuary is home to a variety of animals, including tigers, elephants, deer, and monkeys.

d) Dampa Tiger Reserve is a tiger reserve in the state of Mizoram, India. It is located in the southern part of the state, and is bordered by Myanmar to the east. The reserve is home to a variety of animals, including tigers, elephants, deer, and monkeys.