The species is endemic to the island of Sri Lanka.

[2] A dry zone skink, N. sarasinorum is known in Sri Lanka from Maha Oya, Lahugala Kitulana National Park, Polgahawela, Polonnaruwa, Galigamuwa, Buttala, Inamaluwa, Dambulla, Kandalama, and Batticaloa.

The body of N. sarasinorum is slender and of equal girth, from head to tail.

The dorsum is light brown or bluish gray.

N. sarasinorum inhabits moist loose soil or vegetation, such as tree roots.