What is the fine-grained topic of the following text: DGVCL has operationalised CCC with a unique toll free number for all its consumers and is well equipped with telephone lines, Computers loaded with related software having requisite details of various modules like billing, GIS, MDAS (Meter Data Acquisition System) and CRM. Only return the topic.
DGVCL's implementation of a Customer Care Center (CCC) with integrated technology systems