The CBI has formed a Special Investigating Team, SIT, to study the Comptroller and Auditor General's report on Commonwealth Games. Quoting CBI sources, PTI reports that the SIT, headed by a Joint Director, will also collaborate with other investigating agencies like the Income Tax Department and Enforcement Directorate. The SIT will recommend whether any fresh case is possible apart from 14 regular cases and three Preliminary Enquiries, which have been registered by the agency on recommendations of the Central Vigilance Commission.The CAG has been critical of Sheila Dikshit Government on import of street lights at higher price and claimed that the exchequer suffered a loss of nearly 31 crore rupees.