Central Bureau of Investigation, on Tuesday, interrogated Former CWG Organising Committee Chairman Suresh Kalmadi for the second time over the irregularities and misuse of funds in the mega event staged in New Delhi last year. Kalmadi's lawyer Hitesh Jain confirmed that CBI had called him for interrogation. Kalmadi and other office bearers of the Commonwealth Games Organising Committee have also been questioned on various aspects of the scam.