Naga Panchami is a festival that is observed throughout NEPAL on July . It has got its own significance in mythology, folklore and scientific basis.
It is a festival where, Snakes and serpents are worshiped by offering milk, flowers and sweets to the metaphors of serpents such as idols and images of snake god. Mythology says it is a day Lord Krishna got victory over snake king Kaliya to protect the people from poisonous cobra of the king. Folk stories say farmers pray to snakes and offer devotion to snakes for not harming them and their families.
Scientifically; it is a metaphor of worshiping serpents and giving equal rights to snakes to live. This festival is celebrated in the monsoon season,during which snakes come out and, most of them will not be poisonous (not all though) and the festival means the innocent snakes are saved to balance ecosystem and to make sure the harmony of humans with other beings in the nature.