truth behind nag panchami !
This devotee worshiped living snakes (cobra) or his paintings during Nagpanchami. This day of Nag Panchami is celebrated on 11th August every year. It is displayed by snake wizards and collector reptiles in the public. They offer people to worship duty on Nag Panchami.
(SOURCES: - http://www.arpfindia.org/blog/truth-behind-nag-panchami)