preparation for marching as well as deployment of lhcm along 2dip gallery from 2l to 40l ( i ) dismantling and re-installation of track line along said work, ( ii ) cleaning, levelling of the galleries , ( iii ) dismantling and re-installation of pipe line - 1 dismantling of haulage track line of 100m length i.e. 100×2=200m rail of 30lbs in ug 2 laying of haulage track line of 100m length with 30lbs rail on both side of the track ( 100m×2 ) in underground. 3 ii ) . installation of crossing on track line: 4 line packing including packing with materials as per direction of site incharge. 5 malma cleaning, removal of debries from galleries, sumps, tail ends of belt conveyor, and stacking within 6 transportation of pipe from the track end, laying & installation of pipe at about 100m lead from the track for 100m length of pipe or 16 nos. of standard length pipe include 7 drilling, blasting & mucking manually in drifting & stacking the same within 50 m lead ( i ) drilling by hand 8 supporting of roof by manual drilling of holes, jamming and tightening the roof with bearing plates / w-straps including carriage of materials from nearest district store to working faces within a lead of 500m. 9 transportation, laying, charging of armoured cable from surface to underground or from old dist. to new dist. or vice-versa for a lead of 100m.3.4. for armoured cable of length 200 m & size-90 m2. 10 transportation, laying, charging of armoured cable from surface to underground or from old dist. to new dist. or vice-versa for a lead of 100m.3.2. for armoured cable of length 200 m & size-50 m2. 11 total impact of gst for the purpose of ctc