Pinki, a Commonwealth Games bronze-medallist, defeated Mongolia's Nandintsetseg 2-1 to notch up the yellow metal.
World Championships silver-medallist Sarjubala, on the other hand, got the better of Russian pugilist Iseva Joya in the final as India ended with two gold medals at the event.
The other Indians who participated in the tournament were Priya Dayal (54 kg), Bilao Basumatary(57 kg) and Preeti Beniwal (60 kg) but none of them could make the medal rounds.