Tender For corrigendum : providing of cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); indoor,cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); indoor,cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); indoor,cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); outdoor,cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); outdoor,cleaning, sanitation and disinfection service - outcome based - educational institute; general cleaning (sweeping, mopping, dusting); outdoor