The Ravivar Vrata Katha is a book of stories pertaining to Sunday fasting. People perform puja on Sunday to appease the Sun God Lord Surya. As the God is considered a supreme being as he provides life on Earth, performing vrat on that day is said to bring overall prosperity and promote well-being. People who read the vrat katha on Sunday benefit from understanding devotion better, enhance their spirituality, and attract all the good things in life. Get the katha book in Hindi from Giri UK.