Minister of Railways and Coal Piyush Goyal on Monday said that the Bharatiya Janata Party (BJP) is celebrating the birthday of Prime Minister Narendra Modi as ‘Sewa Diwas’ across the country. Prime Minister Narendra Modi will celebrate his 68th birthday in his parliamentary constituency Varanasi with 300 children, including 200 from primary schools and the remaining from slum areas, on Monday.