The auction for the 5G spectrum concluded for the fourth day on Friday and will continue till Saturday, Communications Minister Ashwini Vaishnaw confirmed. Vaishnaw added that the auction on Friday witnessed 23 rounds of bidding, which fetched bids worth ₹1,49,855 crore. Mukesh Ambani's Jio, Sunil Bharti Mittal's Bharti Airtel, Vodafone-Idea and Gautam Adani are vying to buy the 5G airwaves.