Former Telecom Minister Arun Shourie will appear before the CBI next week in connection with the agency's probe into possible criminal aspects in the telecom policy since 2001.The CBI approached Shourie last week asking him to appear before the agency in connection with the Preliminary Enquiry registered by the agency following a direction from the Supreme Court.Officials said in New Delhi that the Enquiry is registered against unknown persons with an aim to ascertaining as to whether the first-come-first-serve basis provision passed by the then Cabinet led by Atal Bihari Vajpayee was followed or not.The CBI is likely to go into the minutes of the meetings held by successive Telecom Ministers which included late Pramod Mahajan, Shourie and Dayanidhi Maran.According to the CBI, nearly 50 licences were given out on the first-come-first-serve basis and Bharti, Vodafone and Idea are among the beneficiaries of the policy. Arun Shourie said that he would be handing over some documents to the CBI during his appearance before the agency on February 21.Meanwhile, the CBI is continuously grilling former telecom Minister A Raja and Shahid Balwa, DB Realty managing director and promoter of Swan Telecom Limited in connection with 2G Scam.Arun Shourie said that he would be handing over some documents to the CBI during his appearance before the agency on February 21.