Answer: Rajasthan
Notes: Siliserh Lake in Alwar district, Rajasthan, has been declared a Ramsar site, becoming India’s 96th wetland under the Convention on Wetlands. Ramsar designation boosts biodiversity conservation, water and climate security, and sustainable livelihoods. Siliserh Lake is known for its rich biodiversity and scenic landscape, attracting birdwatchers with over 100 species including cranes and kingfishers. Its location near the Sariska Tiger Reserve enhances its significance as a tourism destination. The status is expected to strengthen conservation efforts, promote tourism, and support biodiversity and water-resource management. Siliserh Lake was built in 1845 by Maharaja Vinay Singh to supply drinking water to Alwar city, and its historic aqueducts are still visible.
