The investigating agency has already registered a Preliminary Enquiry in the case.
Acting on the recommendation by the Prime Minister`s Office, the Sports Ministry has sent a letter to CBI asking it to probe the antecedents, flow of funds and works carried out by Event Knowledge Services, a Mauritius-based international private consultant, for alleged wrong doings.
EKS was given three contracts of over Rs 70 crore by the Games Organising Committee to extend consultancy services for the venue development and management, games work force, and games planning and project management services.
"PE has been registered and it will be converted into an FIR soon," a CBI official said.
Prime Minister Manmohan Singh-appointed Shunglu Committee has found gross irregularities by EKS and recommended a probe by the CBI and Enforcement Directorate.
Taking a serious view of the High Level Committee`s findings, the PMO had suggested a probe by the CBI and Enforcement Directorate into charges against the firm to the Sports Ministry.
The Committee in its report estimated financial loss of over Rs 18 crore to the government due to alleged irregularities in granting work force contract.