Picking of shale stone, oversize coal and foreign material from the coal on running conveyor belts running at the speed of around 3.5Metres per second pertains to Stage-3 &4 of CHP, transport of shale to Dump yard within the premises of CHP (distance: 0 to 5 KM) and cleaning of drains at crushed stock yards of Stg-3&4 as and when required during the period from 01-04-2026 or from the date of commencement of work to 30-09-2026