Patna Regional Development Authority (Hindi: पटना क्षेत्रीय विकास प्राधिकरण), abbreviated as PRDA, is a body of the Government of Bihar that is responsible for the infrastructure development of the Patna Metropolitan Region (PMR). It was established by the Bihar State Government with the sole purpose of the developing the infrastructure of the Patna Metropolitan Region. After Enactment of Bihar Municipal Act 2007, it is now merged into Patna Municipal Corporation.