The correct option is Andhra Pradesh.
Explanation
Biosphere Reserves are designated areas meant to conserve biodiversity while promoting sustainable development. The Seshachalam Hills constitute a significant ecosystem in the Eastern Ghats.
Detailed Analysis:
- Location: The Seshachalam Biosphere Reserve is located in the Andhra Pradesh state, specifically covering parts of the Chittoor and Kadapa districts. It was designated as a Biosphere Reserve in 2010.
- Geography: It forms part of the Eastern Ghats and includes the Sri Venkateswara National Park. The terrain consists of steep slopes, plateaus, and gorges.
- Flora: The reserve is globally renowned for being the primary habitat of Red Sanders (Pterocarpus santalinus), a rare and endemic tree species valued for its rich red wood and medicinal properties.
- Fauna: Key faunal species found here include the Slender Loris, Golden Gecko, and the Indian Giant Squirrel.
Key Takeaway: The Seshachalam Biosphere Reserve is situated in the Eastern Ghats of Andhra Pradesh and is the exclusive natural habitat of the endemic Red Sanders.