Section 14B(5) in The Telecom Regulatory Authority Of India Act, 1997
(5)If at any stage of the hearing of any case or matter it appears to the Chairperson or a Member of the Appellate Tribunal that the case or matter is of such a nature that it ought to be heard by a Bench consisting of two Members, the case or matter may be transferred by the Chairperson to such Bench as the Chairperson may deem fit.