Prime Minister Narendra Modi today greeted Chhattisgarh Chief Minister Raman Singh on his birthday. In a tweet, Mr Modi said, under his exemplary leadership for the last 15 years, Chhattisgarh has witnessed notable transformations in several sectors. He said, Raman Singh's policies have benefited the state's youth tremendously.<br />'' <br />''Mr Modi also greeted Union Minister Mukhtar Abbas Naqvi on his birthday. He said, Mr Naqvi has been working tirelessly towards fulfilling the government's vision of Sabka Saath, Sabka Vikas. <br />'' <br />''Prime Minister said, Mr Naqvi also worked assiduously for the BJP organisation. <br />''