Among the recorded reptiles, 29 out of 74 are found only in the Western Ghats, and nine of them are classified as Vulnerable, Endangered, or Near threatened in the Red Data Book of IUCN. Star Tortoise, Mugger Crocodile, and Pied-bellied Shieldtail are vulnerable. Rurk’s Cat Skink, Bengal Monitor Lizard, Indian Rock Python, Common Sand Boa, and Gunther’s Vine Snake are considered near-threatened. Red-spotted Shieldtail, Large-scaled Forest Lizard, Yellow-green Cat Snake, Three-lined Shieldtail; a snake recorded only three times from Munnar and Anamala Wood Snake, along with three day-geckos which were discovered in Eravikulam National Park are also found during the survey. Apart from these, Indian Garden Lizard, Anamala Spiny Lizard, Common Keeled Skink, Gunther’s Vine Snake, and Large-scaled Pit Viper are also recorded in twelve camps. Among lizards, South Indian Rock Agama is common in Chinnar Wildlife Sanctuary and Annamalai Spiny Lizard, which lives in the high-altitude regions, were most abundant. In the case of snakes, Gunther’s Vine Snake and Large-scaled Pit Viper were most recorded during the survey.