Annual Service Contract (ASC) for Co-ordination & Materialization with Railways & Collieries authorities for supply of coal, Supervision of Loading of coal (BOBR & BOX-N Wagon) at loading point, Unloading of loaded coal rakes (BOBR & BOX-N) by mechanical means in Track Hopper as well as in Wagon Tippler of CHP, KTPS on round the clock basis including Sundays and Holidays for a period of one (01) year.