Nemmara and Vallanghy are two neighbouring villages in the south part of Palakkad district, which is in the valley of Nelliyampathi hills.

The green carpet of paddy field will turn to the festival ground in the first week of April.

The Pookot Tharavadu, the feudatories of Cochin kings, organises the ceremonies and rituals in Vallanghy Desam on day of festival.The festival falls on 20th of 'Meenam' according to the Malayalam Calendar (2nd or 3rd of every April).

The annual Vela festival, celebrated by Nemmara and Vallangi villages after the paddy harvest, is noted for its display of fireworks and caparisoned elephants.

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