The Supreme Court today directed telecom regulator TRAI to evolve a new set of revenue sharing norms and other regulations on interconnectivity among operators for carrying calls of one network through others.A bench of Chief Justice S H Kapadia asked the Telecom Regulatory Authority of India to bring the new Interconnect Regulation on Mobile termination charges and carriage charges within four months after consulting various stake holders.The bench, which also included justices K S Radhakrishnan and Swatanter Kumar, asked TRAI to evolve the new norms and regulations as per the directives of sectoral tribunal, Telecom Disputes Settlement and Appellate Tribunal or TDSAT.The apex court gave its direction on a petition by TRAI challenging the TDSAT order, which had set aside on September 29 last year the TRAI's Interconnection Usage Charges (Regulation), 2009 and asked the telecom regulator to bring out fresh interconnection norms and regulations in consultations with various stake holders.