Issues with ESM Labour management:

Labour movement is normally monitored at a Contractor level whereas the individual labours are issued just a Token.
  This poses a major security threat since the details about the labour are not available.
Time keeping for Labours in not possible in a token based system.
It is not possible to identify if a labour is authorized to work at a specific site.
Police record of the temporary workers & references etc are essential from security point of view.
Searching a specific labour is a time consuming operation.
In case of an accident all the necessary details are available at a flash of button.
If an access card is issued to an individual, the details which are very important can not be captured.

Advantages of a Biometric enabled ESM Labour Management System:

Every labour gets a badge with photograph.
Maximum no of labours per contractor can be restricted and controlled.
Daily attendance with finger print authentication (optional).
Labour with Expired badges can not enter the premise without RENEW operation.
Any person can be authenticated against a photograph & finger print.
List of debarred labour for no-entry.
Repository of details of a all labourers / temporary employees.
Easy retrieval at a click of button.
In case of an accident or mishap all the details about the individual can be traced easily.
Valid upto date can be displayed prominently on the badge.
Daily attendance sheets can be generated accurately.
In case of multiple gates, data loggers can be used for registering the IN/OUT movement of individuals.
A specific site or work area can be specified on the badge.
Allowed work timings are displayed on the badge and the same can be controlled.

Architecture ESM Labour Management system: