Ball tube Mills Internal Rectification works comprising of Screw conveyor conditioning, replacement of tie Rods, Seal air gaskets, bearings etc., External works Replacement / Overhaul of defective Reducer Gear boxes, Lub oil Pumps, coolers., etc ,checking of backlash in drive group including alignment if necessary and Changing of grease in HS, LS Couplings and Pinion Bearings in Units-5 and 6 as and when required during the year 2023-24