There is history behind Diwali festival which can be traced back to ancient India. It gives us the knowledge about Importance of Diwali. There are lots of legends who are pointing to the origin of Deepavali. As per Hindus Its about a story of Lord Rama and Sita. Lord Rama came to Ayodhya after 14 years of exile with end of demon Ravana in Lanka. In Ayodhya people welcomed Lord Rama with Lighting raws and clay lamps. So, it become a honour of Rama’s victory over evil. Few believes that the celebration is of the marriage of Lord Vishnu & Lakshmiji. In Bengal people celebrate Diwali by worshiping Maa Kali, The goddess of strength. Jains worship Lord Mahavir while Hindus doing pooja of Lord Ganesha and Maa Lakshmi.