However, this may not have any impact on consumers as tariff is driven by competition and only two players in a circle have spectrum in the 900 MHz band.
The incumbent operators will be given 18 months for transition. The premium spectrum in metros will be auctioned before May 2013.
The move will adversely impact the incumbent players such as Bharti Airtel, Vodafone and Idea as they will have to shell out additional amount if they wish to retain the spectrum.
Earlier, the commission had recommended that the reserve price for 900 MHz band should be twice that of 1800 MHz band.