The glories of adhimasa (extra month) are mentioned in the thirty-first chapter of the Naradiya Purana. Adhimasa considered the sovereignty of the twelve months and saw that he was being slighted. He went to Vaikuntha and related his dilemma to Sri Narayana. Out of compassion, Vaikuntha-pati took Adhimasa with Him and appeared before Sri Krsna in Goloka...