The Kolkata Metro is a rapid transit system serving the city of Kolkata, India. It began operations in 1984 and is the first underground metro railway in India. The network has expanded over the years, connecting various parts of the city and its suburbs, making commuting easier for millions of passengers daily. The metro system consists of multiple lines, with both underground and elevated sections. It is known for its punctuality and efficiency, helping to reduce traffic congestion in the densely populated city. The Kolkata Metro continues to grow, with new lines and extensions planned to enhance connectivity.