The document discusses Kolkata Metro Railway Corporation's (KMRC) proposed East-West Metro Corridor (EWMC) project. It notes that critics argue the project will not provide gains and will remove existing competitive bus services running parallel to proposed metro routes. Supporters counter that the project will create an integrated rapid mass transportation system, facilitate land acquisition and project financing, and integrate eastern and western parts of the city. However, others argue the project will remove homes, shops, and employment and fail like the existing North-South metro corridor due to high fares and availability of cheaper substitutes. The document questions whether the state government would be justified in sponsoring and facilitating the EWMC project given its role in acquiring