Consider the following statements regarding the criticism of the constitutional amendment procedure in India:
i. There is no provision for a special body like a Constitutional Convention for amending the Constitution.
ii. The Constitution prescribes a time frame for State Legislatures to ratify or reject an amendment bill.
iii. The amendment procedure is similar to the ordinary legislative process, except for the requirement of a special majority.
iv. There is no provision for a joint sitting of both Houses of Parliament to resolve deadlocks over amendment bills.
Which of the statements given above is/are correct?