COLOMBO (News 1st) - Deepawali, regarded as one of the most vibrant cultural festivals of Hindus, is being celebrated today.Lighting rows of oil lamps is one of the most cherished traditions associated with the festival.Deepawali is traditionally celebrated to mark the victory of Lord Vishnu over the demon Narakasura.The day is also regarded as a symbol of the triumph of righteousness over evil.Hindu devotees celebrate the occasion by lighting oi...