Which of the following statements relating to the ILO are correct?
(a) The ILO was established by Versailles Peace Conference on April 12, 1919.
(b) India became member of ILO in 1921.
(c) The ILO became a specialized agency of United Nations in 1946.
(d) The International Labour Conference is the policy making organ of the ILO.
Select the correct option :