One of the Hindu festival is known as " Madhab Narayan Brata" . It lasts for a month long duration. It starts on the full moon day of Paush (Jan) and ends later one month on the full moon day of Magh(Feb).
The devotees fast for a month eating only one time a day; taking always the holy bath in the morning; and wearing the nicely daily washed pure clothes. All of his hand and feet’s nail should be nicely trimmed. He should worship to lord shiva by making a sanctum; and should eat only after worshipping and reading the holy Swasthani book.