Tender For providing of cleaning, sanitation and disinfection service - outcome based - office/commercial/institutions/residential; sweeping, cleaning and garbage collection & disposal of ddu railway colonies - roads and adjacent area; outdoor,cleaning, sanitation and disinfection service - outcome based - office/commercial/institutions/residential; cleaning & desilting of small/house drains including disposal of silt & debris; outdoor,cleaning, sanitation and disinfection service - outcome based - office/commercial/institutions/residential; cleaning & desilting of big/main drains including disposal of silt & debris; outdoor,cleaning, sanitation and disinfection service - outcome based - office/commercial/institutions/residential; spraying of larvicide/antiflies in quarter area (indoor & outdoor) and drains; indoor & outdoor,cleaning, sanitation and disinfection service - outcome based - office/commercial/institutions/residential; fogging in outside of quarters and open space in colonies including road side areas; outdoor,cleaning,