Prime Minister Narendra Modi paid tribute to tribal freedom fighter Birsa Munda on his 151st birth anniversary and extended greetings on Janjatiya Gaurav Diwas. He highlighted Birsa Munda’s courage and sacrifice, reaffirming the government’s commitment to tribal dignity and prosperity. New Delhi: Prime Minister Narendra Modi on Sunday paid tributes to tribal icon Birsa Munda on his 151st birth anniversary and extended greetings on the Janjatiya Gaurav Diwas.