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

 Democracy which states in the preamble. * Republican government which states in the article 1 of the constitution. * Independence of judiciary which states in article 22 of the constitution. * Unitary state which is mentioned in article 1 of the constitution. * Separation of powers which is mentioned in article 22 of the constitution. * Fundamental rights which is mentioned in from Article 26 to 47A of the constitution.  *Article 7B which states Basic provisions of the constitution are not amendable