Prime Minister Narendra Modi and President Pranab Mukherjee on Sunday greeted the nation on the festival of Diwali.
"Warm greetings to every citizen on the festival of Diwali, Happy Diwali," Modi tweeted.
President Pranab Mukherjee greeted the nation saying it may dispel "darkness of ignorance" and "illumine our lives with hope and prosperity".
"Warm greetings and best wishes to all my fellow citizens in India and abroad on the auspicious occasion of Diwali," Mukherjee wrote in a series of tweets.
"May the lighting of lamps this year dispel darkness of ignorance and suffering and illumine our lives with hope and prosperity," he said.
"May this festival of lights radiate happiness, peace and prosperity in every home across the country," he added.
"Let us all celebrate a safe and pollution free Diwali," the President said.
Highlighting the importance of the festival, Mukherjee said, "Diwali signifies the triumph of righteousness and victory of good over evil."
He also said that "Diwali is a harbinger of hope and aspirations for a better tomorrow".