What is the fine-grained topic of the following text: "The search was in respect of the work undertaken by the company for renovation of two stadiums at New Delhi, for the purpose of Common Wealth Games and this is a part of ongoing investigation of the several Common Wealth Games related contracts, being handled by CBI," the company said in a filing to BSE. Only return the topic.
Investigation of a company's stadium renovation contracts for the Common Wealth Games by CBI