The correct answer is A. Nilgiri.
The Nilgiri Biosphere Reserve is a UNESCO Biosphere Reserve located in the Western Ghats of India. It was established in 1986 and is the first biosphere reserve in India. The reserve covers an area of 2,600 square kilometers and includes the Nilgiri Hills, the Anamalai Hills, and the Mudumalai National Park. The reserve is home to a variety of plant and animal life, including elephants, tigers, leopards, and deer. The reserve is also home to a number of tribal communities.
The Nilgiri Biosphere Reserve is an important part of the Western Ghats ecosystem. The reserve helps to protect the biodiversity of the region and provides a habitat for a variety of plants and animals. The reserve also plays an important role in the water cycle and helps to regulate the climate.
The Nilgiri Biosphere Reserve is a popular tourist destination. The reserve offers a variety of activities, including hiking, camping, and bird watching. The reserve is also home to a number of hotels and resorts.
The Nilgiri Biosphere Reserve is an important part of the Indian environment. The reserve helps to protect the biodiversity of the region and provides a habitat for a variety of plants and animals. The reserve also plays an important role in the water cycle and helps to regulate the climate. The reserve is a popular tourist destination and offers a variety of activities, including hiking, camping, and bird watching.