In a statement issued here, he said the festival of lights is a harbinger of peace, joy, and prosperity.
"It celebrates the victory of good over evil, and the spreading of the light of learning," he added.
"It is a national festival in which all communities rejoice in amity and friendship and celebrate the solidarity of the nation," he added.
"May this Deepawali bring peace and prosperity to all the people of our nation and to the world at large," the prime minister added.
Published 25 October 2011, 13:17 IST