please check grammar mistake my story of diwali and give the correct story please.?

[AGRATHA S]

Diwali is one of the most important hindu festivals celebrated in India.it’s most Important indias holiday..It is celebrated on the darkest night of the year, Deepavali has its own story based by the different legents(gods)..The festival it’s comes to the end of the October or beginning of the November. Diwali celebrates to the Lord Rama and his wife Sita and brother Lakshmana returned to their Kingdom Ayodhya after 14 years of exile. People of Ayodhya welcomed them with lighted oil lamps. That is why it is called the 'Festival of Lights. . ram is our main character He's actually god.The day called naraka chaturdasi because, lord Krishna killed narakasura and he returned home in the early morning so called naraka chaturdasi.Every people happy and celebrated to this day. It’s a five days celebration. Each day Celebrates to based by the different legents of the story.All over India, decorate their houses with flowers and lights and Rangoli patterns, and set off fireworks .