Open invitation to tender, deadline 09.04.2013, for convergence measurement in tunnels T-24, T-25, T-26, T-26-A & T-27 under jurisdiction of DY.CE/CON-II/Imphal in connection with construction of new railway line project from Jiribam to Tupul. The contract includes supply, installation and maintenance of convergence measuring instruments. Duration contract 20 months. Availability of tender documents from 26.03.2013 to 09.04.2013. Visit http://www.nfrcon.org/tenderDet.asp?id=6893. Bid Code n. CE/CON/J-I/Tunnel Instrumentation/2013/04. 12/13.