The suburban rail project in Bengaluru city in the Karnataka state of India will address the local mass travel needs from Bengaluru city to nearby towns or satellite cities. The chapter discusses the development stages of the Bengaluru Suburban Rail Project. The necessity, essential features, and significant advantages of the suburban rail project are presented. The project is expected to reduce traffic congestion problems in Bengaluru city and its nearby towns. Supplementary benefits related to time savings and increased passenger comfort are also estimated. Further, the challenges and risks faced by the project are discussed. Some future potential extensions of the project are considered.