This assignment provides a comprehensive review of Delhi's urban transportation system, highlighting the challenges faced by the city. It includes an analysis of various studies, articles, and reports that discuss the issues with Delhi's public transport, such as last-mile connectivity, poor bus services, and the impact of private vehicles on traffic congestion. The assignment also explores potential solutions, including efficient public transport policies, sustainable urban transport plans, and the role of social and economic costs in welfare maximization of mobility choice.