Siliserh lake, situated in vi lage Paitpur, Tehsil Alwar, district Alwar in the state of Rajasthan has an area of 315.97 hectares (ha). This site is located 13 km away from the city of Alwar at 27° 32\' N latitude and 76° 9’ E longitude at an elevation of 298.93 m above MSL. This site is located within the buffer area of Sarika Tiger Reserve and is extensively used by resident faunal species including tigers and other key species supported by the tiger reserve. This human-made wetland was created in 1845 AD by Maharaja Vinay Singh, by constructing a bund across the tributary of the River Ruparel. He named the wetland in honor of his wife Seela. The wetland was built with the dual purpose of providing drinking water to the city of Alwar and catering to the irrigation needs of the local communities. The wetland is sti l crucial for water security for the region as it provides approximately, 4 MCM of water to irrigate a command area of 7.2 km2. In addition to this, the wetland also recharges groundwater, thereby, contributing to the water security of the Alwar city. Another important provisioning service of the wetland is fish culture, which provides livelihood opportunities to local fishermen communities. Furthermore, its diverse aquatic habitats offer a significant refuge, particularly for migratory water birds, supporting a high concentration of both migratory and resident water bird species, as wel as threatened mammal and reptile species, many of which are of conservation importance. It supports a population of 149 species of birds out of which 71 species are water birds. It is home to several threatened taxa, which includes one (01) endangered bird species and two (02) mammal species and seven (07) vulnerable (Mammals: 2, Birds: 3, Reptile: 2) species . The site supports over 1% of the biogeographic population of Black Stork (Ciconia nigra). The site also supports mammal species such as Tiger (Panthera tigris) and Indian Pangolin (Manis crassicaudata), Leopard (Panthera pardus) and Sambar (Rusa unicolor). The vegetation cover in the periphery includes Gum Arabic tree (Acacia nilotica), Kadam (Anthocephalus cadamba), Khair (Acacia catechu) etc. This site is a tourist destination with a boating facility and attracts a large number of tourists and local people.