Among vertebrates the snakes are most fascinating creature. Most of the snakes are shy and will not attack peoples unless they are harassed. Due to their remarkable features they are assumed beneficial creature so it is a time know more about them. All snakes are classified into fifteen families of which only three are venomous i.e. Elapidace, Viperidae and Cortalidae. Snakes are considered as a victim of large number of parasites representing a wide range of pathogens and parasites that causes infection. Studies carried out of Russells viper which causes fatal snakes bite in Pakistan....