Tenders for Construction Of Guwahati Rr Comprising Of A.Chandrapur To Sonapur Km. 55.54 B.Jayanagar Underpass Km 163.237 To Jorabat Km 171.000 Of Nh-27 And C.Improvement Of 4-6-Lane Stretch Of Nh-27 From Km 1097.150-184.700 In The State Of Assam On Dbfot Toll