(i)A project was launched in 1754 to join the seven islands of Bombay into one landmass. Then the Governor of Bombay. William Hornby approved the building of the great sea wall to prevent the Hooding of The low lying areas of Bombay, (ii) In 1864. the Back Bay Reclamation Company won the right to reclaim the western foreshore from the tip of Malabar Hill to the end of Colaba Most of the hills were levelled by the company to construct buildings. (iii) By the 1870s, although most of the private companies closed down duo to the mounting cost, the city had expanded to about 22 square miles. (iv) The Bombay Port Trust, also launched a reclamation project to build a dry dock between 1914 and 1918 The Trust used the excavated earth to create the 22 acre Ballard Estate. Subsequently, the famous Marine Drive of Bombay (Mumbai) was developed.