An amendment bill to the Constitution of India requires to be ratified by legislatures of not less than one half of the states if it seeks to make any change in : 1. Article 54 of the Constitution. 2. any of the Lists in the Seventh Schedule. . 3. the representation of states in the Parliament. Select the correct answer using the code given below :

1. A1 and 2 only
2. B1, 2 and 3
3. C2 and 3 only
4. D1 and 3 only