Because helium asked for a boon from Sathyabama (an incarnation of Bhoomidevi) earlier his death, requesting that radical observe his decease with lights. The time helium was killed is celebrated arsenic Naraka Chathurdashi and considered arsenic opening of Deepavali, the festival of lights. He wanted his decease to symbolize the triumph of bully implicit evil and asked for it to beryllium celebrated with lights.
There is besides an mentation that erstwhile Narakasura was killed it should beryllium considered arsenic sidesplitting of an evil idiosyncratic but sidesplitting of each evil acts helium could execute successful aboriginal which helium did portion helium was alive. Even erstwhile Krishna killed Shishubala, Duryodhana was arguing it was unfair that Krishna killed an athithi of Pandavas for which Krishna argued, "I lone liberated him from each evil acts".
On this auspicious Deepavali day, we larn forgiveness of evil acts of others, to lone see the acts of evil arsenic force and not the idiosyncratic who commits evil acts, and pledge to region each evil thoughts successful our mind.
When we airy the lamp of emotion successful our homes, we marque an effort to region our ignorance successful a symbolic way. By distributing sweets to our household and friends, we symbolize to stock emotion with everyone astir us. When we instrumentality lipid bath, we instrumentality an oath to region each our evil thoughts and erstwhile we bust crackers, we instrumentality it arsenic a awesome of removal of each evil actions. By wearing caller clothes, we symbolize becoming a recently calved with amended qualities.