The possibility of Karachi as a sea port was first noticed in the mid of 19th century and Sir Henry Edward Frere who was appointed Commissioner of Sind after its annexation with Bombay in 1847 sought permission from Lord Dalhousie to begin survey of sea port. He also initiated the survey for Railway line in 1858 . It was proposed that a railway line from Karachi City to Kotri, steam navigation up the Indus /Chenab upto Multan and from there an other railway to Lahore and beyond be constructed