at lgt (langting) & nhlg (new haflong):- construction of 02 no. tss building includingdevelopment of the site by earth filling/ earth cutting, construction of rcc retaining wall,approach road to tss site etc. with other ancillary works in connection with the railwayelectrification works in lumding division (lmg - bpb) section of n.f. railway. (group - 308).bidding type normal tender .