Under the article 368 the India Constitution provides the parliament provisions to amend the constitution and its procedures. This need to comply with certain provisions before they can come into effect.

The Constitution of India is rigid in parts. Amending some of its provisions can difficult while others can be amended very easily. Article 368, of the Constitution provides for two special methods of amendment:

• (i) Most of the provisions of the Constitution can be amended by the Union Parliament by passing an Amendment Bill by a majority of total membership and 2/3rd majority of members present and voting in each of its two Houses.
• (ii) For the amendment of some specified parts, a very rigid method has been provided. Under it, first the Union Parliament passes the Amendment Bill by a majority of total membership and 2/3rd majority of members present and voting in each house , and then it goes to the State Legislatures for ratification. The Amendment gets passed only when it is approved by not less than one half of the states of the Union.
• (iii) Some provisions of the Constitution can be amended by a simple majority of the Parliament in the manner of ordinary legislative process.

UPSC has always focused on such provisions of previous and present amendments done in the constitution and cases related to them with the changes in their articles in the constitution, even many years it has been seen that important aspects of such Bills and Acts have been one of the favourite areas of UPSC and is asking such questions both related to Prelims and Mains.