dismantling of damaged iron materials of upper and lower platform along with supporting materials and repairing the same by fabrication of old iron materials of f / b no-1 at kessurgarh under abocp mine of block-ii area-cleaninf of upper and lower platform 2 cutting and dismantling of iron materials of upper and lower platform of bunker and chute along with supporting materials chute and drum 3 cutting and dismantling of iron materials for fabrication from scrap / idle structure 4 loading and unloading of iron materials for cutting place to fabrication place 5 fabrication of iron materials ( ms channl 150mm x 75 mm = 2.000 mt, ms joist 250 mm x 125 mm= 3.600mt, ms platform6mm - 5.228 mt ) = total materials 10.828 mt 6 total impact of gst for the purpose of ctc