Telecom Regulatory Authority Of India - Subsection
Section 19(9) in The Telecom Commercial Communications Customer Preference Regulations, 2010
(9)The Terminating Access Provider shall, upon receipt of the intimation from the Originating Access Provider under sub-regulation (8), intimate to the complainant, within twenty-four hours, the result of the investigation and the action taken by the Originating Access Provider on his complaint.
