e-Governance in smart cities represents the integration of information and communication technology (ICT) into urban governance systems to enhance the efficiency, transparency, and accessibility of public services. It plays a pivotal role in promoting sustainable development by optimizing resource use, reducing bureaucratic delays, and fostering citizen participation. In the context of smart cities, e-Governance is not just about digitizing existing processes; it is about transforming governance models to become more responsive, data-driven, and inclusive, ultimately contributing to the holistic development of urban environments. The fundamental objective of e-Governance in smart cities is to create a seamless interaction between government authorities, citizens, businesses, and other stakeholders. Traditional governance methods in cities often struggle with challenges such as delays in service delivery, corruption, lack of transparency, and inefficient utilization of resources. e-Governance addresses these issues through automation, real-time data management, and online service platforms, which streamline administrative functions and facilitate faster decision-making. For example, digital platforms for tax payments, utility bill settlements, and licensing services reduce the need for physical visits to government offices, saving both time and cost for citizens while minimizing administrative overhead. One of the core components of e-Governance in smart cities is the use of digital infrastructure and cloud-based platforms to centralize data collection, processing, and dissemination. Smart city projects rely heavily on data collected from sensors, IoT devices, and citizen feedback systems to monitor urban services like traffic management, water supply, waste disposal, and energy consumption. e-Governance systems leverage this data to provide actionable insights for policymakers. For instance, traffic data collected from GPS-enabled vehicles and road sensors can be analyzed in real time to optimize traffic signal patterns, reduce congestion, and lower vehicular emissions, which aligns with sustainable urban development goals. Another key aspect of e-Governance is citizen-centric service delivery. Smart cities emphasize participatory governance, where citizens are not passive recipients of services but active contributors to decision-making processes. Digital platforms enable residents to lodge complaints, submit feedback, participate in surveys, and access city-level information transparently. For example, mobile applications