DIWALI

Diwali is called the Festival of Lights and is celebrated to honor Rama-chandra the seventh avatar (incarnation of the god Vishnu). It is believed that on this day Rama returned to his people after 14 years of exile during which he fought and won a battle against the demons and the demon king, Ravana and save his wife Sita from him.
in Diwali the purpose of rangoli is decoration, and it is thought to bring good luck. Design depictions may also vary as they reflect traditions, folklore and practices that are unique to each area.