THIRUVANANTHAPURAM: In the backdrop of deaths resulting from pit viper bites in Kasaragod and Idukki districts, demands are rising to develop anti-snake venom for a variety of vipers found in the state. While the vipers in question -- Anamalai pit viper, hump-nosed pit viper, Travancore pit viper and Malabar pit viper -- are not highly venomous, they come under the …
