Ganesha manifested in his third form famous as MahodaraMahodara
Ganesha manifested in his third form famous as Mahodara... to slay the demon Mohasura. The demon Mohasura literally means hallucination and uncertainty.
There is interesting yet little confusing story behind the manifestation of Mahodara. Once ShivaShiva
Shiva is one of the Supreme Gods of Hindu Trinity that ... was in deep meditation for a long time. In the meantime, there was the powerful demon Mohasura. He had prayed Sun and then got the boon from him that he would be regarded as the king of demons. He was overjoyed and started conquering kingdoms and ultimately able to conquer all the three planes of existence.
All Gods were worried and they went to the Sun to seek help. Sun advised all of them to worship Mahodara. After seeking Sun’s advice they started worshiping Mahodara with full devotion.
Mahodara was pleased and granted them with a boon, saying that he would banish Mohasura. Demon’s teacher and priest Shukracharya came to know about this incident in his meditative state. He advised Mohasura to surrender in front of Mahodara.Vishnu also advised Mahasura that if he surrendered in front of Mahodara,he would not be killed or destroyed.
Mahasura accepted the advice of Sukracharya and extending the hand of friendship towards Mahodara. He sang his praises and asked for forgiveness for his evil sins. Mahasura then returned all the kingdoms of Gods and assured that he would be always on the path of righteousness.
He also assured them that in future he would never threaten the Gods and Sages. Mahodra was pleased when he felt that Mahasura was really repenting of his sins and wanted to expedite them.
Mahodra then forgave Mahasura and asked him to go back to the underworld and dare to come back again.
All the Gods and the Sages thanked Mahodra and started showering flowers on him and then singing the songs in the praise of Mahodara.