The CBI today filed two separate cases involving UK-based A M Films and former officials of CWG Organising Committee on charges of forgery and cheating in organising Queen's Baton Relay in London. Quoting official sources, our correspondent reports that immediately after registering the cases, the CBI carried out searches at some places in the national capital region including office of CWG Organising Committee, OC.The searches were conducted at the residence of sacked OC Joint Director General T S Darbari, deputy director-general Sanjay Mahendroo and Raj Singh, a officer in the OC.