The CBI today told the Supreme Court that it will file a charge sheet against former telecom minister A Raja and two companies by the 31st of this month for their involvement in the 2G spectrum allocation case. In its latest status report filed in a sealed envelope before a bench of justices G S Singhvi and A K Ganguly, the CBI submitted that many new facts have come out during the probe into the scam. Senior advocate K K Venugopal, appearing for the investigating agency, said, the main charge sheet will be filed against A Raja and two companies by March 31. This is only the beginning and many people and companies would also be chargesheeted later on. Venugopal told the court that many people, including the CEO of a telecom company, have been examined by the agency and Letters Rogatory have been sent to some countries for probing the money trail. He said some progress had been made in case of Mauritius.After going through the status report, the court directed the investigating agency to place before it transcripts of corporate lobbyist Niira Radia's telephonic conversation tapped by the IT department on the next date of hearing on March 29.The Centre informed the bench that it has got the letter from Chief Justice of Delhi High Court who has agreed to set up an exclusive court for holding trial in the 2G case.Attorney General Ghulam E Vahanvati informed the court that appropriate notification would be issued by the Centre on or before March 29 so that charge sheet filed by CBI could be taken cognisance of this court.