Tender For corrigendum : 2.annualoperation andmaintenance contract of2x1000kwt.g.sets,their auxiliaries,em equipment and3.3/33kvswitchyard including cleaning,upkeeping of power house,fencedarea pluscatering,maintenance ofpre-fabricatedbuilding ofrinchingtonhydelpowerstation - annual operation and maintenance contract of 2 x 1 mw t.g. sets, their auxiliaries, electro-mechanical equipment and 3.3/33 kv switchyard including cleaning & up-keeping of power house & fenced area plus catering, maintenance of pre-fabricatedbuilding of rinchington hydel power station, wbsedcl, darjeeling.