Kolkata’s house market is growing, and duplex flats are a top pick for smart home buyers. Once seen as special, these duplex homes are now easy to find in top areas from Alipore to Rajarhat. If you want more space, alone time, and value that lasts, getting a duplex flat in Kolkata is a clever move. With chances to make money from rent, easy pay plans, and a build good for families of many ages, duplex homes mix useful with luxury.