 The tax for each acre was 5 per year.The lease provided the British the rights over "all the waters" of the Mullaperiyar and its catchment basin, for an annual rent of 40,000.In 1947, after Indian Independence, after British India was partitioned in 1947 into India and Pakistan, Travancore and Cochin joined the Union of India and on 1 July 1949 were merged to form Travancore-Cochin.