<span style="color: #222222;">Prime Minister Narendra Modi has paid tributes to Ayya Vaikunda Swamikal, a great thinker and social reformer of the 19th century, on his birth anniversary. In a tweet, Mr. Modi said his teachings helped society overcome social barriers and united people. He added that Ayya Vaikunda Swamikal's emphasis on equality continues to inspire everybody.</span><br />''