The CBI on Saturday registered a fresh case regarding allocation of additional spectrum during BJP leader - the late Pramod Mahajan's tenure as telecom minister in connection with the 2G scam.
The CBI is carrying out searches at the Vodafone office in Mumbai,Airtel office in Gurgaon as well as the residences of former telecom secretary during NDA rule, Shyamal Ghosh, and an ex-BSNL director.