1. Preamble means introduction of our Constitution.
2. It is the core and important part of the Constitution.
3. It highlights the comment of the Constitution.
4. Whenever amendments are made to the Constitution they can be referred at the Preamble. Moreover based on the amendments made in the Constitution at times even the Preamble is amended.
5. For example, in 1976, the words ‘Socialist’, ‘Secular’, ‘Unity’ and ‘Integrity of the Nation’ were added to the Preamble.
6.Thus, Preamble is the key to understand of the amendments of the Constitution.