Instead of the star in the crest, a stylised image of Imperial Insignia of Sree Padmanabha's Shankha, which was the state emblem of the Kingdom of Travancore as well as state emblem of the State of Kerala, is used.
Common examples are the Sudarshana Chakra, the Shankha-purusha and Kaumodaki, mostly found in Uttar Pradesh and Bengal art.
The goddess is depicted as having eighteen arms, each having a weapon, like trishula, Khaḍga, Talwar, Kamandala, Shankha, Gada, Pash, Danda, Damaru, etc.
The Samkha Khsetra derives its name from the typical dakshinavarti Shankha(conch)-shaped, outer locational pattern of various temples, sacred places and secondary and tertiary deities in Puri, with the Jagannath Temple at its heart centre.
As the second line Cheras were more adherent to Lord Vishnu, the emblem of Conch, which represents Lord Vishnu, started extensively used in various flags and personal insignias.
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Since the days of Venad, the family emblem of Thrippapur Swaroopam namely a right swelled Conch was used to represent the state.
The area belonged to the Shakhari Community, who borrowed their name from Shakha, a richly decorated bangle crafted from slices of Shankha or conch shells.
The official flag of the state was red with a dextrally-coiled silver conch shell (Turbinella pyrum) at its centre.