The Nilgiri Biosphere Reserve is a protected area located in the Western Ghats of southern India. Established in 1986, it spans parts of the states of Tamil Nadu, Karnataka, and Kerala. The reserve is known for its rich biodiversity, including numerous endemic species of flora and fauna, and serves as a crucial habitat for wildlife such as the Asian elephant and the Nilgiri tahr. Covering approximately 2,500 square kilometers, the reserve is characterized by its diverse ecosystems, ranging from tropical forests to grasslands. It plays a vital role in conservation efforts and is recognized as a UNESCO World Heritage Site, highlighting its ecological significance and the need for sustainable management practices.