Purushottam Maas is the Adhik Mahina or Extra month that is
added to Hindu lunar calendars once in 2.5 years. It is of great significance
in Gujarat . You can read the importance of Purushottam
month and also the Vrat Katha in Gujarati in pdf format in the below document.
The katha is read on auspicious days in the month by
Gujarati Hindus.