Vijayawada:Chief Minister Nara Chandrababu Naidu said on Friday that the nation has lost a great economic reformer in the death of former prime minister Dr. Manmohan Singh. Union ministers Rammohan Naidu and Pemmasani Chandrasekhar, MPs Kesineni Sivanath alias Chinni and Sabari also paid tributes at Singh’s mortal remains. Through his economic reforms since 1991, he served the nation tirelessly and …