Diwali is one of the most famous festival in india which is considered as one of the holiest day for hundus and the people from south India call it as Deepawali.
Diwali is extracted from a sanskrit word Deepawali where Deep means light and wali means row hence row of lights. It is also called as festival of lights, crackers and mithais(sweets). People light diya, lamp or colourful small bulbs. People light the lamp or diya during the morning and keep it burning during day and night for the diwali day.
Diwali is actually derived from the original name ‘Deepavali’. Deepa in Sanskrit means ‘light’ and ‘avali’ means a row. When literally translated, Deepavali means a ‘row of lights’. As per the Indian calendar it is celebrated on Amavasya (the new moon day) in the end of the month Ashwin, which ushers in the month of Karthik around October/ November every year.
Diwali is celebrated in north India in honor of Rama's return to Ayodhya after he vanquished Ravana. He was also coronated as a king on the same day. It is celebrated twenty days subsequent to Vijayadasami. But in some states it is celebrated for different reasons. For instance, in Gujarat it is an event to welcome Goddess Lakshmi, the goddess of wealth. Bengalis worship Goddess Kali on this day. The celebrations are however quite uniform throughout the country.