This austerity is related with the worship of lord Surya Narayan who is also known by several other names like Aditya, Bhaskar, Ravi, Bhanu, Diwakar, Prabhakar, etc. A devotee should observe a fast on the seventh day of any month and worship lord Suryanarayan. The fast should be broken on the next day- ashtami. A devotee can continue this ritual for one year following the above mentioned rituals. A devotee who observes the rituals of this austerity becomes free from all kind of diseases and enjoys a healthy life.