In response to the arbitration claims filed by Reliance Infrastructure Ltd on Monday, Adani Transmission said that the claims made by Anil Ambani-led company are based on ‘untenable positions,’ and that the company will respond with facts in the arbitral proceedings. Reliance Infrastructure has filed an arbitration claim of Rs 13,400 crore before the Mumbai Centre for International Arbitration (MICA) against Adani Transmission for ‘breach of terms’ pertaining to the acquisition of its Mumbai power distribution business by the latter in 2017.