Dustak means free Pass or Duty Free Trade. Mughal Emperor Farrukhsiyar granted a forman to the East India Company, which is regarded as Magna Carta in the year 1717. As per the Farman the import and export duty of the company was exempted from the customs duty. Issuing of Dastak was permitted for transportation of goods.
In the year 1914 (28th July), First World War started and ended in 1918 (11th November). England, France Russia was on a side and Germany, Austria, Hungary and Turkey were on another side.