In case the plaza is not working, the customer will call customer care, customer care representative will advise the customer to pay the toll in cash and will escalate the matter with NPCI for the particular toll plaza. In case the customer tag is faulty or not being read at the plaza, the customer may call up the help desk, the help desk will advise the customer to pay the toll in cash, and will escalate the matter with the respective channel partner and its PoS holder. The PoS holder will call the customer and will replace the Tag without any cost.