national highways & infrastructure development corporation is implementing 2-laning from mahadevpur to buri dihing section of nh-52b in arunachal pradesh. the length is 25 kms. the total project cost is rs. 1.3659 billion. dineshchandra r agarwal infracon is the contractor. civil work is in progress. physical progress is 15.89 and financial progress is 15.49. [info as of: sept. 16]