"The bidding has taken place in all bands. At present, a value of approximately Rs. 77,000 crores has been committed by bidders in respect of provisionally won spectrum. There is still spectrum, which is yet to be sold. Bidding would recommence tomorrow," the DoT said.
The DoT added the auction of spectrum in 2100MHz, 1800MHz, 900MHz and 800MHz Bands recommenced on Friday and 6 rounds of bidding were completed.
Till now, 17 rounds of bidding has taken place in three days. The auction will continue on Saturday, it added.
At the end of 11 rounds on Thursday, the bids value stood at Rs. 65,000 crores.
The government is expecting to raise over Rs. 82,000 crores from the auction, but the final amount is expected to go much higher if bids continue at such an aggressive pace.
However, the government will not release results of the auction because of a court ruling.
Incumbents Bharti Airtel and Vodafone are locked with Reliance Jio to protect their spectrum they need to carry voice and data in the world's second-biggest smartphone market. In all, eight bidders are in fray.
The auction is the biggest ever sale of 2G and 3G airwaves where government is selling spectrum in four bands: 2100MHz, 1800MHz, 900MHz and 800MHz.
On the third day Friday, operators continued aggressive bidding in 900MHz band with price increment in various circles whereas there was not much bidding in Mumbai, Delhi, Karnataka and Andhra Pradesh circles in the 2100MHz band.
Good bidding was also witnessed in 800MHz and 1800MHz bands.
Asian brokerage firm CLSA in a report said that in a surprise, large data markets of Delhi, Mumbai, Karnataka and Andhra Pradesh saw no price increase in 2100MHz band, despite only one block of available spectrum.
A total of 380.75MHz of spectrum is on offer in the premium 900MHz band, 1800MHz and 800MHz while 5MHz is up for bidding in the 2100MHz band across 17 out of 22 telecom areas or circles in the country.
Most of the spectrum put up for auction is presently held by Airtel, Vodafone, Idea Cellular and Reliance Telecom. Their licences are expiring in 2015-16.
Mobile licences for nine circles of Idea Cellular, six circles of Airtel and seven circles each of Vodafone and Reliance Telecom are coming up for renewal.
Overall, there are 29 licences in 18 service areas which will expire in 2015-16. These licences hold 184MHz spectrum in the 900MHz band and 34.2MHz in 1800MHz band.
It is mandatory for these companies to bid for spectrum if they have to continue offering mobile and other telecom services as their permit is expiring.
The government had raked in Rs. 62,162 crores from the last spectrum auction held in February 2014.
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