PM Modi to inaugurate 246 tribal development projects worth Rs 3,000 crore on Janjatiya Gaurav Diwas, honouring Birsa Munda's 151st birth anniversary. Mumbai: Prime Minister Narendra Modi will participate in the Janjatiya Gaurav Diwas programme in Gadchiroli, Maharashtra, through video conferencing on Sunday at 11 a.m. and address the gathering on the occasion of the 151st birth anniversary of tribal freedom fighter Birsa Munda.