The CBI is questioning former Telecom Minister A Raja in New Delhi in connection with the 2G spectrum allocation scam. Earlier it also questioned the Corporate lobbyist Niira Radia and former TRAI chief Pradip Baijal in this connection.The agency sleuths raided over 30 places in Delhi and Tamil Nadu on December 15 and questioned several people informally.The Supreme Court is closely monitoring the multi agency probe into the allocation of 2G spectrum to certain telecom firms. The apex court has asked CBI and ED to submit status reports on their probe to it by February 10, when the 2G spectrum case will come up for hearing.The CAG in its report to Parliament had said that the allocation of 2G spectrum at undervalued prices had resulted in the loss of 1.76 lakh crore rupees to the exchequer.Meanwhile, Finance Minister Pranab Mukherjee has expressed the hope that better sense will prevail upon the opposition and the logjam witnessed in the Winter Session of Parliament over the demand for a JPC probe into 2G scam will not spill over to the Budget Session.He was responding to a question from media today on the side lines of a function in New Delhi. The opposition has rejected the offer of Mukherjee -also Leader of the House in the Lok Sabha to hold a special session of Parliament ahead of the Budget Session to discuss the issue.