Wikipedia
Uropeltidae
Common names: pipe snakes, shield-tailed snakes.
The Uropeltidae are a family of primitive burrowing snakes endemic to southern India and Sri Lanka. The name is derived from the Greek words ura ("tail") and pelte ("shield"), indicating the presence of the large keratinous shield at the tip of the tail. Currently, eight genera are recognized comprising 47 species. These snakes are not venomous.