New Delhi: Power & Coal Minister Piyush Goyal has favoured expediting Comptroller and Auditor General of India (CAG) audit of private electricity distribution companies in Delhi so as to help make “better” decisions on issues like tariff. The 49-day AAP government led by Arvind Kejriwal had ordered CAG to audit private distribution companies or discoms in Delhi over hike in power tariffs. The CAG is auditing two Anil Ambani Group-controlled discoms and Tata Power Delhi Distribution Ltd that provide electricity to Delhi. He indicated that he was not in favour of extending income tax holidays for attracting investment. “Tax holiday is an old and beaten formula, if the plant has the fuel to run the tax holiday will kick in after a few years, it does not help,” he said.