Which of the following statements with regard to the creation of a new state or alteration of boundaries of states is/are correct?

1. An amendment has to be moved in the Parliament under Article 368 of the Constitution of India.

2. Ratification by one-half of the states is necessary after the amendment is made: by the Parliament.

3. The legislation can be passed by a simple majority of both Houses of Parliament.

Select the correct answer using the code given below: