Telecom Spectrum auction need to be commenced for 5G roll out: Tech Mahindra Updated : May 21, 2019 03:44 PM IST More than technology however, the bigger impediment could be the regulatory body's policy on 5G spectrum. The experimental license by DoT will need modifications, and till that happens, the sector is in for a "waiting game," he said. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.