bids are invited for rate contract for assistance in shifts in mechanical maintenance, o&m-civil, and township area; providing assistance in mechanical maintenance, o&m –civil, township area and operation & maintenance of machines in central workshop and in electrical workshop areas. mechanical maintenance work in boiler area (mill, pressure parts, rotary parts, centrifuge & elc operator, structure painting), turbine area (main tg & auxiliaries, sewage etc.), off- site area (ndct,.dm plant cw etc.), ash handling (dry & wet system, esp, bottom ash, geho, iac, tac, ash dyke etc.), o&m civil & township (stacker cum reclaimer area, hcsd silo, bolt grouting, building painting, semi-covered sheds etc.)