In this we have to right difference between moa and aoa

Memorandum of Association (MOA) is a document that contains all the fundamental data which are required for the company incorporation. Articles of Association (AOA) is a document containing all the rules and regulations that govern the company
Registration MOA must be registered at the time of incorporation. The articles may or may not be registered.
Scope The Memorandum is the charter, which characterizes and limits powers and constraints of the organization. The articles demonstrate obligations, rights, and powers of individuals, who are endowed with the responsibility of running the organization and administration.
Status Supreme document. It is subordinate to the memorandum.
Power The memorandum cannot give the company power to do anything opposed to the provision of the companies act. The articles are constrained by the act, but they are also subsidiary to the memorandum and cannot exceed the powers contained therein.
Contents A memorandum must contain six clauses. The articles can be drafted according to the decision of the Company.