Section 2(d) in The Direct to Home Broadcasting Services (Standards of Quality of Service and Redressal of Grievances) Regulations, 2007
(d)"Call Centre" means a department or a section or a facility established under sub-regulation (1) of regulation 13 by the direct to home operator for registering of service requests, answering queries, recording of complaints, and redressal of grievances, of its direct to home subscribers, by telephone or electronic means or by any other means;
