It said the auction would have to be done for all those 2G spectrum licences, for which letters of intent were issued on January 10, 2008 and later quashed by the SC on February 2, 2012.
CBI asked to file more documents by courtA Delhi court on Monday asked the CBI to place before it documents relating to a resolution passed by three telecom firms, including Airtel and Vodafone, seeking additional spectrum during the NDA regime.