State-owned Rail Vikas Nigam Ltd (RVNL) said it has received a letter of acceptance from East Coast Railway for the Koraput-Singapur road doubling project.The project involves the execution of 27 major bridges, including 22 major bridges and five road over bridges (ROBs), along with earthworks for the formation of approaches, protection works, and other miscellaneous tasks between Tikiri and Bhalumaska stations. "It is hereby informed that Rail Vikas Nigam has received a Letter of Acceptance from East Coast Railway for the Koraput-Singapur Road Doubling Project: Execution of 27 Nos of Major Bridges i.e. (22 Nos of Major Bridges & 5 Nos of ROBs) and earthwork in the formation of approaches, protection works and other connected miscellaneous works between Tikiri and Bhalumaska stations in connection with Koraput-Singapur Road Doubling Project of Waltair Divison, East Coast Railway," the company said in a stock exchange filing.