It has been a great festival in Nepal all the time.
Rang Panchami Tithi: Chaitra Krishna Paksha Panchami 2022 Date: Tuesday, 22 March is commemorated after 5 days of  which is a Hindu festivity of fun and colors.
Mahabharata tells that Lord Krishna vanquished Nag Kalia and put an end to his abhorrent deeds upon the arrival of Shrawan Panchami.
Bola Choth is also known as Bahula Chauth and falls one day before Nag Pancham day.
Even paintings that feature snakes having bathed in milk are bought by people during this time.
It is believed that any Puja offered to snakes would reach to the serpent Gods.