The story
King Mahābali, the asura ruler of Kerala, was so just and so loved that the gods grew jealous. Viṣṇu came to him as the dwarf Vāmana and asked for three paces of land; the king granted it, and the dwarf grew until two steps covered the earth and the sky. For the third the king offered his own head, and was pressed down into the underworld. His one request was to visit his people once a year, and Onam is that visit: the houses are decorated and the tables laid so that he finds them as happy as he left them.
It is also the harvest, the end of the monsoon and the first rice of the year, and it is kept by every Malayali regardless of religion. The government of Kerala runs it as the state festival with a week of cultural programmes in Thiruvananthapuram.
Wherever Malayalis live the Onam sadya is served on a banana leaf on a Sunday near the day: in Dubai, in the Gulf generally, in London and New Jersey, the halls are booked a year ahead.
