This Nag Kuan is one of the many rare secrets of Kashi, it is said that this is the path to Patala (Nag Lok), many Naag (snakes) is also seen here on Nag Panchami.
Rare darshans of Nageshwar Mahadev, located at a depth of 45 feet at Nagkuan in Jaitpura, Varanasi. Be aware that before Nag Panchami, the entire water of Nagkup Kund is cleaned and the well is emptied, and this is the occasion of Darshan of Nageshwar Mahadev once a year. Within a night, the well will be again replenished by underground water from inside the well.
Kundan Pandey, the caretaker of Nagkuan told that at this place, Maharishi Patanjali composed the Yogasutra. The revival of this well in Samvat 1 is mentioned in historical texts. By simply touching the water of this pool, one can get rid of Kaal Sarpadosh.