 The Circular Canal joins the Hooghly River at Chitpur.Early in the 20th century a large lock and tidal basin had been constructed, at the mouth of the canal.Entally, Manicktala, Beliaghata, Ultadanga, Chitpur, Cossipore, parts of Beniapukur, Ballygunge, Watgunge, Ekbalpur, Garden Reach and Tollygunj were added to Kolkata Municipal Corporation in 1888.