(a)in relation to articles, unless the total unless the total weight of articles owned, possessed, held or controlled by,-(i)a minor, who is not a member of a family, exceeds twenty grammes,(ii)an individual (other than a minor), who is not a member of a family, exceeds fifty grammes,(iii)a family, exceeds fifty grammes,(iv)any person referred to in clauses (b) to (f) and (h) to (m) of sub-section (2), exceeds fifty grammes;