Sep 11, 2026

Onam – Beyond the legends

Some years ago, we covered the stories of Mahabali, his vanquishment by Vamana, his annual return, and other tales of Bali often associated with Diwali. Having revisited those, it is time to return to their origins in antiquity, both in Cheranad and in the larger Tamilakam, which encompassed the Chera, Chola, and Pandya lands.

The story of this Vamana avatar is well known. Mahabali, the Asura king, ruled his land as a just sovereign, not quite as was expected of a stereotyped Asura. The devas were envious, and when he set out to perform an Ashvamedha yagna to become all-powerful, they grew afraid. Desiring to end his rule, they persuaded Vishnu to act. Thus, Lord Vishnu was reborn as Vamana, the dwarf. As we know, Vamana then approached Mahabali and asked for a grant of three feet of land. Disregarding a warning from Sukra, Mahabali granted the dwarf his wish. Vamana, now in his majestic form, measured the earth with one foot, the skies and heavens with the other, and looked at Mahabali for the third. Seeing that this was none other than Vishnu, Bali bowed his head and offered Vishnu the crown of his head for the last step. Mahabali was thus pushed into the nether world, but before leaving, asked Vishnu for a boon – to visit his people once every year. That day of visit, they say, is the day of Onam, when the people of Kerala gladly receive him with pomp and splendor.

But if one questions whether Bali was indeed the king of Kerala, the story begins to unravel. According to Ulloor, who wrote about the festival, the misconceptions began with the mention of an Utiyan Cheral Vana-Varmapan in the Pattittupattu (meaning the Chera King whose territory is bounded by the sky). This was then read as Udayan Bana Varman, leading to the inference that Bana, Mahabali's son, was a Chera ruler. Ulloor clarifies that Bana’s mythic capital was Sonitapura, on the banks of the Mandakini River in Uttarakhand, which negates any connection between Bali, Kerala, and Onam. However, he emphasizes a clear connection between Vamana and Onam. To explain this connection, Ulloor tells us that the term 'Onam' is derived from the Sanskrit word Srona or Sravana, the name of the twenty-second lunar mansion, and that it falls on the Sukladvadasi day in the month of Chingam (August-September), which is clearly associated with Vamana, the fifth avatar of Vishnu.

Was it celebrated throughout Tamilakam in ancient times? We defined Tamilakam in previous posts; it encompassed Kerala, Tamil Nadu, and parts of the Deccan, Karnataka, and Andhra, and Tamil was the spoken tongue. Called Onavizhavu, it appears in the Maturai Kanchithe (a poem from the Pattupattu), composed by Mankuti Marutanar in praise of the Pandian King Nedunchezhiyan. The 10-poem collection, composed roughly between 100 BCE and 500 CE, represents some of the oldest surviving works of Tamil poetry. Onappiran, one of the Onam deities, is Vishnu, who is again considered the devata of Thiruvonam. On that day, able-bodied men fought with each other (reminiscent of the Onathallu in Pallasena – Palghat).

Attoor Krishna Pisharady believes the Onam celebration was popularized circa 640–650 AD; that Bhaskara Ravivarman Perumal took the initiative and carried out the ceremony. The temple of Thrikkakara has many connections with Onam – the rulers of 'Malainadu' assembled at the Thrikkarur Kara (present Thrikkakara) temple during the celebrations held there. The Chera empire's western capital was Mahodayapuram, near Thrikkakara. Once a year, the native rulers assembled at the Thrikkakara temple to join the celebrations, which lasted 28 days.

According to the Thrikkakara inscription, not only were the rulers required to be present, but their subjects were also asked to attend at least once during the festival period. The rulers had temporary abodes on the temple premises, the vestiges of which are still visible. The 56 'naduvazhis' of the Chera Kingdom bore the expenses of the celebrations and the 28-day assembly, with each day's celebrations financed by any two of them. This gave the Chera emperor an opportunity to connect personally with local chieftains and secure their continued loyalty and allegiance. It is believed that the Naduvazhi of Cochin and the Zamorin of Calicut jointly celebrated Atham.

An ancient reference also mentions a 'Chingom Pada' attacking the Chera country. This refers to the army that invaded the Chera country in the month of Chingom. Because the invasion occurred before the 'Atham' day (ten days before Thiruonam in the month of Chingom), the rest of the celebrations had to be abandoned. The practice of Athachamayam and the customary procession of the King of Cochin support this theory. According to this account, on the day of Atham, the King, accompanied by his courtiers, sets out for Thrikkakara. As the procession reaches the palace's outer gate, a messenger from Thrikkakara runs up to the King and tells him the celebrations have been abandoned. On hearing this alarming news, the King returns to his palace through another gate.

Another theory holds that the name Thrikkakara evolved from "Thiru-kaal-kara," meaning "the land of the holy foot." It marks the exact mythological site where Vamana placed his third step on King Maveli's head. It appears that after Bali left, the temple fell into disuse. After Bali complained to Krishna and Yudhishtira (I don’t know how Yudhishtira got involved in this) and obtained permission for an annual visit. Yet another legend connects Onam to Parasurama, who, after seeing some Namboothiris test one of his promises, left in fury. The Namboothiris repented, and Parasurama agreed to visit on the Onam day at Trichur or Thrikkakara.

But others insist that it is actually a spring festival, which is why Tiruvonam here has become a day of sumptuous eating and mirth, while elsewhere it is a day of fasting and austerity. Since (Ponnum – golden) Chingam is the harvest month in Kerala, it is a season when peace and plenty return after the torrential rains of (kalla – rogue) Karkatakam. Nira (filling the household granary with newly harvested paddy) and Puthari (eating the newly harvested rice) ceremonies are typically held before Onam. It heralds a season full of flowers, cool air, and delightful days. Fr. Bartolomeo, the Carmelite friar who lived for several years at Varappuzha and studied Kerala's culture and antiquities, concurs: This festival (Onam) seems, therefore, to have been instituted to solicit from the Gods a happy and fruitful year.

The traditions related to festivities, flower arrangements, singing and dancing, wearing new clothes, feasting, and so on, are not repeated here. By now, everyone knows them. However, the Onathallu has been misrepresented. Interestingly, it was practiced in many places in the past, not just in Pallassena, so we will spend some time figuring out what it was and what it is now.

Two legends are associated with the Onathallu at Pallasena – Chummar details one as follows: It is believed that in ancient times, on the Atham day in Kumbhom, some local chieftains aligned with the Zamorin’s chief, Kuthiravattoth Nair, killed Kurur Nambidi, the trustee of the Kakkayur Siva temple, and confiscated all his property. The Onathallu is enacted in memory of this event. The second legend holds that it was a celebration before the local Nairs began a march to fight alongside the Zamorin’s forces (Pallasena was part of Naduvatton, under the Zamorin).

Ulloor, however, explains that it was an old practice. It was a mock fight held in connection with the Onam festival and known variously as Ona pada, Ona thallu, and Ona-eyittu, a form of recreation for the Nairs in former times. Ulloor explains: In the work Haryakshamasa samarotsavam (literally the festival of fight during the month of Chingam), also termed Kandiyur Mattam Patappattu, we find a full and glowing account of that dangerous pastime. The author expresses this popular belief when he says the fight originated in the days of Cheraman Perumal and that those who died in the contest would go to heaven, while those who survived would earn conspicuous fame and other blessings. The martial campaigns in Malabar generally began in Chingam after the Onam festival, and the Nayar militia practiced this game soon after their annual training in Karkatakam in local gymnasiums to whet their appetite and test their fitness for such campaigns. In the same war-songs, it is stated that there were two such fights, one on the afternoon of the Tiruvonam day and the other on the forenoon of the Avittam day; women too witnessed those fights and encouraged the victors by lusty shouting; and that kings and nobles graced the contests with their presence and awarded suitable presents. Syrian Christians also participated in these contests until the Synod of Diamper (Udayamperur), held by Archbishop Menezes in 1599, prohibited them. Records show that in 1766, 1768, and 1771 the Nayars of Trivandrum engaged in such mock-fights, and that the temple of Sri Padmanabha awarded them money presents.

An archery tournament appears to have continued in Malabar until recently, and Fawcett says he witnessed one lasting ten days in the southern part of Kurumbranad. The bow is a common object of worship on Tiruvonam day in Kerala, apparently associated with this ancient military practice. Readers of the poem Krishnagatha may be familiar with Sri Krishna's prayer to Nandagopa that his Onam bows be preserved until he revisited Gokulam from Mathura.

AM Kurup offers another theory: the myth of Vamana trampling Bali into the bowels of the earth can be read as the defeat of the Malainadu Saivite rulers by invading Vaishnavites. These were most likely the emperors of the Chera dynasty (the Kulasekharas), devout Saivites who brought all of Kerala under their sway. During the reign of Bhaskara Ravivarma Kulasekhara, the Chola king Raja Raja won a great victory over the Cheras. Raja Raja refers to the year (999 AD) in his inscriptions as "worthy of being worshipped by all other years as the year in the whole of Eternity". Mahabali, therefore, may have been one of the great Kulasekharas.

Siva was the family deity (Kuladeivam) of the Trikkakara Chieftains, and their palace, as usual, stood to the left of the Temple. After the Vaishnavites defeated the Saiva King, they built a Vamana temple on the site of the palace and had Saint Kapila install the Vamana idol. After the political upheaval, the Vaishnavite invaders urged people to worship Vishnu. This confusion led people to regard Onathappan as Vishnu in the form of Vamana.  However, the 3rd-century mention of the festival by Mankuti Marutanar, well before the Chola invasions, counters this.

Thrikkakara Appan (also called Onathappan) is a sacred pyramid-shaped clay or wooden idol representing Lord Vishnu in his Vamana avatar. It is said that once, a family head could not visit the temple as required during the festival period and suffered remorse. That night, he had a vision that he could participate in the festival by worshipping 'Onathappan' at home on Thiruvonam day, and he did so. Since then, it has become customary for those who cannot visit the Thrikkakara temple during Onam to worship Onathappan at home.

Another tradition holds that Mavelikkara, about 100 km from Thrikkakara, is the sacred site where King Mahabali knelt, offering his head for Vamana to place his foot and push him into the netherworld. Mavelikkara was the historical capital of the rulers of Onattukara. Mavelikkara, the capital of Onattukara, seems to have been Buddhist, and rumors suggest that Maveli followed Buddhism! Following the arrival of the Vaishnavas, many viharas were converted into temples, and this king may have been exiled.

Now, let us move to locales east of Malabar and see if there are more mentions of Onam celebrations- In the Pathikas and Pallads (often anglicized references to his Pathams/Pasurams and his famous Thirupallandu), the 9th-century Tamil poet-saint Periyazhwar provides one of the earliest literary descriptions of the Onam festival - a description is available of how offerings and oblations were made to 'Ananthasayanam' (Vishnu) on the occasion of Onam. It also describes the feast, the dress, the songs and dances of men and women.

Secondly, it appears there was a festival in Karuvur, or Vanchi, the ancient eastern capital of the Cheras in the Kongunad. Mahalingam tells us of the Ulli Vizha, referred to in Ahananuru (verse 368): when the heroine's maid speaks to her about her lover's visit even in daylight, she refers to this vizha. ‘Your love affair is becoming a scandal in this hamlet (just) like the Ulli vizha, when the people of Kongu (Kongar) wind girdles with attached bells round their waist and dance along the streets.’ He believes the Onam festival of Kerala is the same as this Ulli vizha, or perhaps a modification or development of it, but he is unsure of any legends connected to it. Since Karur is acknowledged as the ancient city of Vanji, the capital of the Cheras, the Karur Ulli Vizha, a festival of the Chera country, may be the same as Onam.

The Aippasi Onam vizha referred to in the Poom Pavai Ppadikam by Tiru Jnana Sambander may be the same as Tiruvonam, but it is unclear whether it was celebrated on that day in the Tamil regions. An inscription at Tiruvizhimizhalai mentions the Aippasi Onat-Tiruvizha from the days of Rajaraja I, recording a grant of money to feed pilgrims arriving to participate in this festival.

Now we can examine an interesting connection proposed by NV Krishna Warrier – he notes that the Sumerian New Year festival (as early as 2400 BC) was celebrated in Ninive around the time of Chingam for several days, with dances depicting the creation of the world and the battle between the gods and the demons. In the Babylonian festival, the King would go in a procession to the temple, where he surrendered all his powers to the religious head and became an ordinary citizen. Later, the king regained his power.

He notes similarities between the old functions of the sovereigns of Cochin and Travancore. Furthermore, he says that Assiria, or Assur, was the ancient Sumerian Kingdom, and that Mahabali, or Bali, was an Asur. Bali's father was Virochana, who was the son of Prahlada. Some Assirian rulers had names similar to Prahlada, Virochana, and Bali, such as Asura Upallitha, Bela Ulusan, Balalusa, and Belakudra Asura. He draws parallels, assuming that Prahalada is the Sanskrit form of Upalitha; that Ulusan, the son of Upallitha, was Virochana; and that either Balalusa or Belakudra Asura was Bali. He adds that a disastrous event precipitated their migration to the Malabar coast and that Onam continues the Assyrian festival associated with their favorite ruler, Bali.

Anthropologists view the Onam myth as a metaphor for historical conflict. The myth romanticizes the displacement of the peaceful, urban Indus people by migrating Vedic groups. Onam, therefore, serves as a defiant celebration of a lost, utopian ancestral civilization. Some note that Onam may have originated locally as a pre-Brahmanic harvest festival closely tied to the monsoon cycle. The myth of Mahabali was likely integrated centuries later through cultural synthesis as Puranic Hinduism spread to South India.

Was everyone treated equally on Onam? Not really. There is a Malayalam proverb, “Oṇam vannalum uṇṇi pirannalum Koranu kumbiḷil thanne kanji,” which means that, whatever it is, either Oṇam or the birth of the child, Koran`s kanji will be in the leaf of kumbil ( a leafy spoon). It denotes that the Koran's (a lower-caste man) poverty will remain the same, whatever the situation. Interestingly, even on Onam, lower castes needed permission to eat Pappadam and Payasam, which were reserved for upper castes.

There are a few more such legends and myths, but Arunachalam has the last word: Onam for the son of Malabar (Keralam) is just like Pongal for a Tamilian. One has to be born a Malayali to realize its full significance and pleasure.

References

The Sociology of Onam Author(s): A.M. Kurup, Indian Anthropologist, December 1977, Vol. 7, No. 2 (December 1977),

English Essays and poems – Ulloor Parameswara Aiyar        

Festivals of Tamil Nadu – M Arunachalam

Onam and history: multi-dimensions of festivity Dr. C. Ganesh Journal of Manuscript Studies Vol. 46, 201

Kerala Charitram Part 1 (until 1500AD) – Attoor Krishna Pisharody

 

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