An outpouring of tributes, marches and commemorative events marked the 150th birth anniversary of the Father of the Nation, Mahatma Gandhi, across the country and abroad.<br />'' <br />'' President Ram Nath Kovind, Vice President Venkaiah Naidu and Prime Minister Narendra Modi led the nation in paying rich tributes to Gandhiji on his memorial at Rajghat.<br />'' <br />'' The government used the historic day to stress on cleanliness and the dangers of single-use plastic. <br />''