(Article 7B)-Notwithstanding anything contained in article 142 of the Constitution, the preamble, all articles of Part I, all articles of Part II, subject to the Constitution the provisions of Part IXA all articles of Part III, and the provisions of articles relating to the basic structures of the Constitution including article 150 of Part XI shall not be amendable by way of insertion, modification, substitution,repeal or by any other means.]

Supremacy of the constitution (Article 7)

 2. Demoaracy (preamble) 

3. Republican government (Article 1)

4. Independence of Judiciary-> (Arcticle 22)

5.unitary state (Article 1)

6. Separation of we power → (Article-22)

 7. Fundamental rights (Article  26 to 47A)