tender for fabrication and repairing of 150 hp direct haulage for smooth and safe haulage operation at pit no. 09 in madhaipur colliery under pandaveswar area. (inclusive of epf/cmpf) , dismantling of damaged gear box & electrical items , loading of dismantling part on trolly , pinion came out by hydraulic press , transportation of new gear box , new shaft making , new brass bush , welding rod (ducrome) , welding & machining of pinion teeth , modification & rectification of new gear , modification & rectification of bedplate , assembling & rectification of all materials , transportation cost , contractor profit @18% , total impact of gst for the purpose of ctc