Lycodon flavicollis
Range
Tamil Nadu (Western Ghats, Anaikatti Hills), Telangana, Andhra Pradesh and Karnataka
The yellow-collared wolf snake is a colubrid snake found in India (Wikipedia, general species account).
The Reptile Database lists Tamil Nadu (Western Ghats, Anaikatti Hills), Telangana, Andhra Pradesh and Karnataka. The account used here gives no further detail.