Section 121: Decision of father, mother taking custody of minor to prevail

If there arises a dispute between the father and mother, who cannot conclude marriage between them or whose matrimonial relationship is extinguished pursuant to this Act, on any matter to be decided in respect of the right and interest of a minor born from such father and mother, the decision made by the father or mother, as the case may be, with whom such a minor is living shall prevail.