Modi Birthday Celebration since becoming PM, Today Latest News: 17 September is Prime Minister Narendra Modi’s 69th birthday. To mark the event, the Bharatiya Janata Party observed a ‘Sewa saptah’ or week of service, to help the needy. A presentation mentioning the Prime Minister’s performances was also set up in the national capital. Watch the whole video to know how the Prime Minister has been celebrating his birthday for the past five years.