As per section 2(1)(m) of Consumer Protection Act 1986, "person" includes
(1) A firm whether registered or not
(2) A Hindu undivided family
(3) A cooperative society
(4) Every other association of persons whether registered under the Societies Registration Act, 1860 or not:

A. (1), (2) and (3)

B. (1), (2) and (4)

C. (1), (3) and (4)

D. (1), (2), (3) and (4)

Answer: Option D