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The notice was issued to several companies, including Tata Communications, Bharti Airtel, Reliance Communications, Dishnet Wireless (Aircel) and ONGC, on March 27, 2018..When contacted, Bharti Airtel spokesperson said, “We have already surrendered spectrum in the 3,300-3,400 Mhz band.e.”.63 lakh crore […]