This is followed by offering of food [ Noorum palum] to the gods, and it is prepared by tender coconut, mature coconut, raw rice, fruits & milk.

Pulluvan pattu , the instruments like kudam, veena & ila thalam are used.

When the kalam is ready , the traditional lamp is lit and starts pooja, the process of involking the serpent gods into the kalam.Invocation is done by silent prayers and floral offerings along with water.For this the flowers of ixora, leaves of thulasi, lotus flower, leaves of koovalam are used.

The kalam is drawn either in front of the sacred grove or in a near by temporary structure with thatched roof.The festival site is cleaned , decorated with leaves of fig tree, mango, areca palm, betel , young unopened leaves of toddy palm or coconut palm, young unopened inflorescence of areca palm.The floor is waxed with a coating of mud, on which designs are made with five different colours made of natural materials.The colours are usually yellow, white, red, green & black representing the five natural elements of this universe.