(Telecompaper) India has launched its largest ever spectrum tender. The 1800 MHz and 2300 MHz bands, for provision of 4G services, saw the highest interest after five rounds of bidding on 1 October, ET reports, citing data released by India's Department of Telecom (DoT). Bharti Airtel, Vodafone India, Idea Cellular and Reliance Jio Infocomm have placed bids worth a total INR 535.3 billion. The 700 MHz band failed to attract bidders in the first day of auction.