Mumbai–Pune Expressway - Wikipedia
In August 04 2004, the Maharashtra State Road Development Corporation Ltd. (MSRDC) and MIPL (Mhaiskar Infrastructure Private Limited), an SPV of IRB Infrastructure Developers Ltd., entered into a Concession Agreement to develop, operate and maintain the Mumbai Pune section of NH4 Project along with the O&M of NH4 and the Mumbai – Pune Expressway Project.