this festival's history relies on karaikkal ammaiyar's life.one day ammaiyar's husband, paramathathan, had sent two mangoes to be kept for him. that day a hungry shaiva devotee (lord bikshantar) came to her residence. ammaiyar gave the devotee, curd rice and one of the two mangoes which her husband gave earlier. later, when ammaiyar's husband came home, ammaiyar served him the other mango. the mango was very delicious, and her husband requested that the other mango be served. ammaiyar went inside kitchen, she didn't know what to do since the mango is already served to the shaiva devotee(lord bikshantar). with lord siva's grace a divine mango appeared in her palm. ammaiyaar was very happy and served the mango to her husband.