4. Undue concentration of economic power shall be deemed to have been brought about, maintained or continued if- (a) there is established, run or continued an undertaking the total value of whose assets is not less than one crore of Taka, or such other amount as the Authority may by rule prescribe, and which is- (i) not owned by a public company, or (ii) is owned by a public company in which any individual holds or controls shares carrying not less than fifty per cent, or such other percentage as the Authority may by rule prescribe, of the voting power in the undertaking; (b) there are any dealings between associated undertakings which have or are likely to have the effect of unfairly benefiting the owners or share-holders of one such undertaking to the prejudice of the owners or share-holders of any other of its associated undertakings.