The occasion is also observed as Janjatiya Gaurav Diwas, honouring the contributions and legacy of India's tribal communities. President Droupadi Murmu, Vice President and Rajya Sabha chairman C. Radhakrishnan, Prime Minister Narendra Modi and Lok Sabha Speaker Om Birla on Sunday paid floral tributes to Bhagwan Birsa. Prime Minister Narendra Modi paid tributes to Birsa Munda on his 151st birth anniversary.