The Union Minister of State for Communications Devusinh Chauhan said that the Government has granted permission to Bharat Airtel, Reliance Jio, Vodafone and Mahanagar Telephone Nigam limited for conducting 5G technology trials .<br />''<br />''In a written reply in the Lok Sabha today, he informed that the frequency band opened for International Mobile telecommunications including 5G technology in India have enough guard band to ensure that there is no aeronautical interference.<br />