job contract for providing services for operation of various vehicle types by deploying manpower at airports authority of india regional head quarters southern region chennai , providing services for operation of various vehicle types by deploying manpower at airports authority of india , regional head quarters , southern region , chennai , at 8 hours per day / 48 hours per week , on all days in a month except sunday / weekly off . , monthly service charges for providing services by deploying manpower for operation of various vehicle types . , rate per hour per manpower for extra duty performed over and above 08 hours per day / 48 hours per week .