Bhutanese Prime Minister Lotay Tshering today greeted Mr  Narendra Modi on his 70th birthday and expressed confidence that India will achieve greater transformation under his leadership. He in a Tweeter post said, people and government of Bhutan convey prayers for Mr Modi's success and well-being.<br />'' <br />'' Responding to the birthday greetings, Prime Minister Modi thanked the Bhutanese Prime Minister for his warm good wishes and prayers.<br />''