Replacement of gravimetric feeder belts, failed bearings of take-up pulley head pulley inlet span rollers, clean-out conveyor and replacement of damaged coupling halves, studs, bushings of coupling drive studs of main drive and opening and closing of R.C feeder doors and replacement of bearings of weigh span roller, weigh roller with motion monitor and weigh sensing roller of R.C feeders of units-5&6 as and when required from 01.12.2026 or from the actual date of commencement of work to 31.03.2027.