It's their first festival celebrated in the year, which mostly comes in the month of April.
The name of the festival sounds Etika/Iteka i am not sure about the exact spelling. Information about this festival is not available online. This festival is seen celebrated by Tribal's in Srikakulam, Vizianagaram, Visakhapatnam, East Godavari etc in Andhra Pradesh.
This tribe collect money for three days from public to celebrate the festival Grandly.
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