The correct answer is: a) Indo-Burma hotspot.
The Indo-Burma hotspot is a biodiversity hotspot that is located in the eastern Himalayas, the Indo-Gangetic plains, and the Southeast Asian region. It is one of the world’s most important biodiversity hotspots, with a high concentration of endemic species. The Indo-Burma hotspot is home to a wide variety of plant and animal life, including many endangered species.
The Western Ghats is a mountain range that runs along the western coast of India. It is a biodiversity hotspot, with a high concentration of endemic species. The Western Ghats is home to a wide variety of plant and animal life, including many endangered species.
The Himalayas is a mountain range that runs along the northern border of India. It is not a biodiversity hotspot. The Himalayas are home to a wide variety of plant and animal life, but the number of endemic species is relatively low.
The Sundarbans is a mangrove forest that is located in the Bay of Bengal. It is not a biodiversity hotspot. The Sundarbans are home to a wide variety of plant and animal life, but the number of endemic species is relatively low.