Are you satisfied with the progress of work on NH 415 between Itanagar and Naharlagun being carried out by TK Engineering? June 29, 2020 FacebookTwitterPinterestWhatsApp Are you satisfied with the progress of work on NH 415 between Itanagar and Naharlagun being carried out by TK Engineering?Yes60 Votes (5.54%)No981 Votes (90.50%)I don’t know43 Votes (3.97%)