Difference between aop & boi & partnership

Body of individuals, as the name sugges is the entity wherein only individuals (human beings) can be members

Association of person , can be an association of various persons (person here include all persons including company ) Joint venture of various co

Even co before its registeration is association of person

Partnership firm is basically more structured and has specific provisions under income tax act

As per S. 4 of the Indian Partnership Act 1932

"Partnership" is the relation between persons who have agreed to share the profits of business carried on by all or any of them acting for all.

Persons who have entered into partnership with one another are called individually "partners" and collectively "a firm", and the name under which their business is carried on is called the "firm name".