Nag Panchami is a Hindu festival which is celebrated by the Hindus in several parts of India. This festival is celebrated on Panchami in Shravan month (July/August). On this day, people worship Nag or Naga devata (Cobras) and people go to temples where snake pits and worship the snakes. They offer milk and silver jewelry to the Cobras to protect them from all kinds of evils. People take Fast on this day.
This festival is to celebrate the day lord Krishna defeated the serpent Kalia. On this day swings are put up in the village and people enjoy themselves. The married girls visit their parents during this occasion.
The festival of Naga Panchami is celebrated by Hindus to pay respect to Nagas. The five Nagas worshipped on Naga Panchami are Ananta, Vasuki, Taxak, Karkotaka and Pingala.
According to a Puranic myth Brahma’s son Kashyapa had four wives. Kashyapa’s first wife gave birth to Devas, second to Garudas, third to Nagas and fourth to Daityas. The third wife of Kashpa was called Kadroo, who gave birth to Nagas. So Nāgas are also known as Kadrooja. They were the rulers of Patal Loka.