The correct answer is: A. Kaziranga National Park
The white-winged duck (Deohanh) is a rare and endangered species of duck that is found in the wetlands of Assam, India. It is a small duck with a white breast and belly, and a black back and wings. The white-winged duck is a shy and elusive bird, and it is rarely seen by humans. It is a migratory bird, and it breeds in the wetlands of Assam during the winter months. The white-winged duck is a herbivore, and it feeds on aquatic plants and insects. It is a monogamous bird, and it pairs for life. The white-winged duck is an important part of the wetland ecosystem, and it helps to control the population of aquatic plants. It is also a popular tourist attraction, and it is a source of income for many people in Assam.
Kaziranga National Park is a national park in the Golaghat and Nagaon districts of Assam, India. It is one of the most important protected areas for the conservation of the Indian rhinoceros. The park is also home to a variety of other wildlife, including tigers, elephants, deer, and birds. Kaziranga National Park was established in 1905, and it is one of the oldest national parks in India. The park is a UNESCO World Heritage Site, and it is a popular tourist destination.
The other options are incorrect because the white-winged duck is not found in those national parks.