CBI will soon be calling senior executives of HDFC Bank and IndusInd Bank to join its probe in the alleged sale of confidential documents to corporate groups by government officials.
CBI sources said all the beneficiaries of the leakage of documents will be called for questioning soon.
The agency has recently examined a senior official of Reliance Industries Limited, and a noted chartered accountant Rajendra Chitale, whose partner Paresh has been arrested by it in connection with the case.
The sources executives of HDFC Bank Limited and IndusInd Bank will soon be called for examination.
HDFC Bank, IndusInd Bank and Glenmark Pharmaceuticals have denied the allegations.
The sources said the scrutiny of documents recovered from the chartered accountant Khemchand Gandhi and others is throwing open number of deals in which Foreign Direct Investment was being considered.
They said the complicity of these companies in the alleged crime is being ascertained through detailed investigations and scrutiny of documents and electronic data recovered during the searches carried out by the agency.
The sources said CBI is yet to ascertain if any of the records recovered during the searches at the offices of supsects attract harsh provisions of Official Secrets Act.
The Official Secrets Act can only be imposed if the competent authority in the Finance or Commerce Ministry certifies these documents to be classified and secret.
