Tuesday fasting, or Mangalvar Vrat, is dedicated to Lord Hanuman and to Mangal Grah. In Hinduism, every fast has one or more story associated with it and those people observing the Vrat read or listen to the story on the fasting day. There are several stories associated with Tuesday fasting. This particular Mangalvar Vrat Katha is associated with Lord Hanuman. Mangalvar (Tuesday) Vrat Katha (Story) मंगलवार व्रत कथा
As per Hindu culture the Mangalvar Vrat (Tuesday Fast ) is observed to appease the planet God Mangal (Mars). Mangalvar Vrat is also kept for the Lord Hanuman. The Katha for the Mangalvar fast for Lord Hanuman is given in a different Video name :- Mangalvar Vrat Katha for Lord Hanuman.