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What is Polyvalent anti-snake venom is useful against all snakes except and explain in detail?
Polyvalent anti-snake venom It is given to neutralize the venom. The anti snake venom is prepared by hyperimmunising horses against four common poisonous snakes: cobra, common krait, Russell's viper, Saw scaled viper. The polyvalent anti-snake venom is not effective against bites by Banded krait, king cobra, pit vipers and sea snakes. ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 520