The CBI is now questioning suspended Delhi Common Wealth Games 2010 Organising Committee Chairman Suresh Kalmadi today in New Delhi. Our correspondent quoting CBI sources reports Kalmadi is being questioned about the Queen's Baton Relay scam and the Time scoring and recording machine contract. Investigators are also questioning the overpricing of the aerostat from an initially earmarked 38 crore rupees to a final expenditure of almost 60 crore rupees.