Protection of the animals and plants is among the important challenges that is being faced by the mankind. The 21st century can emerge as an age of conservation and protection if human beings want to survive o Earth. Biosphere reserves happen to be the protected regions of the terrestrial, marine and coastal environments for the conservation of the diversity of species of plants and animals. The Biosphere Reserves in India have been established for the conservation of the natural habitats of plants and animals such as national parks and sanctuaries. The Government of India has identified 15 biosphere reserves in the country, with the aim to promote a balanced relationship between the biosphere and humans. Further, the reserves also aim at conserving all forms of life and also supervising and evaluating the changes in the eco systems.
Among the 15, the four Indian biosphere reserves namely, the Nilgiri Biosphere Reserve, the Sundarbans Biosphere Reserve, the Nanda Devi Biosphere Reserve, and the Gulf of Mannar Biosphere Reserve are among the international network.