Article 142 of the Constitution of the People's Republic of Bangladesh deals with Constitutional Amendment. Amendment means “the process of altering or amending a law or document by parliamentary or constitutional procedure.

The purpose of the Amendment -

1.Addition 
2.Alteration 
3.Substitute 
4.Repeal

Proceedure of the Amendment :-

1.Introduction of Bill
2.Long Title
3. Two Third of the vote
4. Assent