Modi will address the programme in Gadchiroli, Maharashtra, through video conferencing at 11 am. New Delhi:Prime Minister Narendra Modi will participate in the Janjatiya Gaurav Diwas programme on Sunday to mark the 151st birth anniversary of tribal freedom fighter Birsa Munda. He will also inaugurate and lay the foundation stones for 246 development projects worth around `3,000 crores.Modi will address the programme in Gadchiroli, Maharashtra, through video conferencing at 11 am.