Round The Clock Routine/preventive/breakdown Maintenance Of Max-dna Dcs System, Yokogawa Ddcmis System, Associated C And I Equipments In Boiler, Tg And Bop Area Including Swas, Gas Analyzers And Condition Monitoring System Of Unit-5and6, 2x250mw, Ptpp W-par/c/omc3/cimd1/6000009745