IRB Infrastructure Developers Limited, is an Indian highway construction company headed by Mr. Virendra Dattatraya Mhaiskar. It was incorporated in 1998, with its headquarters in Mumbai, Maharashtra, India. It is part of the IRB Group and was ranked 200th in the Fortune India 500 list in 2020. IRB Infrastructure, which executed the country's first build-operate-transfer road project, is one of the largest operators of such ventures. Currently it has about 3,404 lane Km operational and about 2,330 lane Km under development. Among its notable projects are the Mumbai-Pune Expressway and the Ahmedabad-Vadodara Expressway. In 2012, IRB acquired Tamil Nadu based BOT road builder MVR Infrastructure and Tollways for ₹130 crore. The company got the contract of Ganga Expressway, the longest under-construction expressway in Uttar Pradesh. Wikipedia