Prime Minister Narendra Modi addressed the UN General Assembly session in Hindi, in New York on Saturday.
Since taking charge as Prime Minister in May, Modi ji has stuck to Hindi for most of his speeches & interactions with world leaders. Here is the speech:
(Source for the video)
Mr Vajpayee, who was Prime Minister of India from 1998 to 2004, was the first person to speak in Hindi at the United Nations General Assembly. He addressed a session in 1977 in Hindi when he was the foreign minister.