India, April 3 -- Contributing towards the development of the North-East region of the country, NHAI has signed concession agreement with M/s Dineshchandra R Agrawal Infracon Pvt. Ltd in presence of NHAI Chairman, Shri Santosh Kumar Yadav and senior officials of NHAI. The 121 km long Guwahati Ring Road shall be developed at a total cost of Rs. 5,729 Crore on Build Operate Toll (BOT) Mode with zero grant. The concession period of the contract is 30 years, including construction period of four years. Providing impetus to the project, the State Government of Assam will bear 50% of land cost, provide exemption from royalty on aggregates and state portion of GST contributing about Rs. 1,270 crore. Thus, the gross project cost is about Rs. 7,000 ...