Diwali makes India filled with lights

Today, 26 October 2011, India is celebrating the biggest festival of Hindus, popularly known as Diwali or Deepwali. It is know as festival of light and is celebrated by all age group and social background, fireworks, crackers, rituals can be heard and seen across the length and breadth of country.
Myths behind Diwali
The celebration of the four-day festival commences on Aswayuja Bahula Chaturdasi and concludes on Kartika Shudda Vijiya. 

• The first day of the festival Naraka Chaturdasi marks the vanquishing of the demon Naraka by Lord Krishna and his wife Satyabhama.
• The second day is Amavasya when Lakshmi puja is performed. It is believed that on this day Goddess Lakshmi would be in her benevolent mood and fulfill the wishes of her devotees. One version says that it was on this day that Goddess Lakshmi emerged from Kshira Sagara (Ocean of Milk) when the Gods and demons were churning the sagara (ocean) for nectar (Amrit)
• The third day is "Kartika Shudda Padyami." On this day Bali would come out of Pathala Loka and rule Bhuloka as per the boon given by Lord Vishnu. Hence, it is also known as "Bali Padyami". 
• The fourth day is referred to as "Yama Dvitiya." On this day, sisters invite their brothers to their homes. 

Other Myths behind Diwali
It is believed that, when Rama, the Hindu God after finishing his exile with his wife Sita returned to his kingdom, people celebrated his coming with lighting and fireworks, and from that day onward Diwali has become biggest Hindu festival. Bengali worship Goddess Kali on the ocassion of Diwali.