Correct option is D
The World Network of Biosphere Reserves (WNBR) is a UNESCO program that recognizes globally significant biosphere reserves. As of 2024, India has several biosphere reserves included in this prestigious list.
Manas (Assam), Nilgiri (spanning Tamil Nadu, Kerala, and Karnataka), and the Gulf of Mannar (Tamil Nadu) are all part of the World Network of Biosphere Reserves. These reserves are recognized for their unique ecosystems and biodiversity conservation efforts.
Nanda Devi, while a designated biosphere reserve in Uttarakhand, is not included in the UNESCO World Network. However, it is a UNESCO World Heritage Site under the category of natural sites, recognized for its alpine flora and fauna and the famous Nanda Devi Peak.
