The correct option is A Grievance procedural model
Grievance procedure model was accepted by Indian Labor Conference in its 16th session held in 1958.When it is brought to the notice of management, then a complain become a grievance.In a model Grievance Procedure, the HOD (Head of the Department) has ot respond against the grievance within 3 days.In a model Grievance Procedure, the Grievance committee has to respond against grievance within 7 days.In a model Grievance Procedure, the Manager has to respond against the grievance within 3 days.In a model Grievance Procedure, the Supervisor has to respond against the grievance within 2 days.