tender for annual rate contract for complete hygienic cleaning, sweeping & removal of garbage from the power house building (tg hall), service building, plant auxiliary building of unit-i & ii, first aid center, shifting of h2, co2 & n2 gas cylinders within unit-1 & unit-2 and loading / unloading & transportation of h2 gas cylinder from h2 generation plant to unit-1 & unit-2 & vice versa and complete hygienic cleaning, sweeping & removal of garbage from administrative building, switchyard control room building, 400 kv switchyard & power transformer yard, uprooting of grass wild growth in switchyard & transformer yard area and disposal of wastes at rgtpp, khedar, hisar