Telecom Regulatory Authority Of India - Subsection
Section 10(2)(b) in The Telecom Consumers Protection and Redressal of Grievances Regulations, 2007
(b)display, at its each office, Call Centre, customer care centre, help desk, and, at the sales outlets, website, office of the Nodal Officer and appellate authority, the name of the appellate authority, its address and telephone numbers, e-mail address, facsimile numbers and other means of contacting the secretariat of the appellate authority and procedure for filing the appeal, in respect of each licensed service area for which the appellate authority has been appointed.