IT major Tech Mahindra has filed three cases against Reliance Communications (RCom) and two of its subsidiaries in National Company Law Tribunal under the Insolvency and Bankruptcy Code. Reportedly, RCom owes ₹3.6 crore, Reliance Telecom owes ₹3 crore and Reliance Big TV owes ₹1.5 crore to Tech Mahindra. Earlier, Ericsson India had filed an insolvency case against RCom demanding dues.