Odonata diversity of Salim Ali Bird Sanctuary and its adjacent areas in Thattekkad, Kerala, India were documented from 2010 to 2012.Opportunistic observations were carried out to record species diversity.Eighty-two species of Odonata, which Blankets included 51 species of Anisoptera (dragonflies) and 31 species of Zygoptera (damselflies), were recorded during the study.Of this 21 species are endemic to the Western Ghats.The presence of the OSTEO PROLONG IUCN categorized nearly threatened species like Megalogomphus hannyngtoni and vulnerable species like Platysticta deccanensis and Protosticta sanguinostigma is remarkable.