1) Supremacy of the constitution which states in article 7 of the constitution.

 2) Democracy which states in the preamble.

3) Republican government which states in the article 1 of the constitution.

4) Independence of judiciary which states in article 22 of the constitution.

 5) Unitary state which is mentioned in article 1 of the constitution.

 6) Separation of powers which is mentioned in article 22 of the constitution.

7) Fundamental rights which is mentioned in from Article 26 to 47A of the constitution.

8)Article 7B which states Basic provisions of the constitution are not amendable