Approximately 403 megahertz of 2G spectrum in the 1800MHz band and about 45MHz of spectrum in the premium 900MHz band is being put up for auction.
The amendments include a rule which could make radio waves more expensive. The reserve price of radiowaves may increase by 1%for 'excess demand' for every additional megahertz companies bid for beyond the quantum put up for the bidding.
Under the new rules the lots of frequency to be auctioned will be technology neutral.
A further notable amendment is a rule that requires winning bidders to provide details of the platform that they propose to deploy within one month of the spectrum allocation.