India is home to approximately 270 species of snakes in India, which is 10 percent of the total snake species found in the world. Most of the snakes found in India are highly venomous but there are 30 species of non poisonous snakes also found in India. Its very hard to tell for sure if a snake is venomous or a non poisonous, Actually snakes are not poisonous, but they venomous because they inject venom.
Venomous and poisonous creatures produce a toxin, which is lethal another animals or human. The major difference between Venomous and Poisonous is the delivery, Venomous creatures inject venom into another animal usually fangs or a stinger but poisonous animal can only deliver toxic and harmful when eaten or touched.
Venomous: Snakes,Scorpion,Hornet, spiders,Honey bees and Fire Ants
Poisonous: Monarch butterflies,Dart Frog,Cone Snail and Stonefish