supply and stacking of inter-locking concrete blocks of size 225 mm x 112 mm x 120 mm (m-50) for laying between km 112.850 to km 115.200 (net length 2.350 km) on balipara- chaduar-tawang to be supplied at site between km 112.850 to km 115.200 on baliparachaduar-tawang road under 91 rcc/14 tf sector of project vartak in arunachal pradesh state: nit no ce(p)/vtk/nit-01 of 2021-22
