Consider the following tasks: 1) Superintendence, direction and conduct of free and fair elections. 2) Preparation of electoral rolls for all elections to the Parliament, State-Legislatures and the Office of the President and the Vice-President. 3) Giving recognition to political parties, allotting election symbols to political parties and individuals contesting the election. 4) Proclamation of final verdict in the case of election disputes. Which of the above are the functions of the Election Commission of India?