Central Bureau of Investigation (CBI) director Subodh Kumar Jaiswal has responded to a questionnaire sent by the crime branch of Mumbai police in an alleged phone tapping and data leak case, an official said.

The cyber cell of the crime branch had summoned Jaiswal, a former Maharashtra director general of police (DGP), asking him to be present on October 14 to record his statement. A questionnaire was first sent to him on August 2, and as he did not reply, the Assistant Commissioner of Police, Cyber Cell had sent him reminders on September 6 and 23 before summoning him on October 14, the official said.