 Returning to Ceylon, with the help of his maternal uncle Muthu Coomaraswamy Ramanathan became a law apprentice under Richard Morgan, Queen's Advocate of Ceylon.Ramanathan became an advocate of the Colombo bar in 1874.He was responsible for editing law reports for the previous 36 years and later served as editor of the official law reports (the Supreme Court Circular and the New Law Reports) for ten years.