Which of the following statements with regard to the conduct of elections in India is/are not correct?

1. The responsibility for the preparation of the electoral rolls is vested in the Election Commission of India.

2. The Model Code of Conduct comes into existence as soon as the date of the election is announced.

3. The laws relating to delimitation of constituencies are made by the Election Commission of India.

4. No election shall be called in question except by an election petition.

Select the correct answer using the code given below.

Options