did dadi knew about kushi & shyam's matter before?

well today dadi said to arnav tat "phir ek baar aap galath paksh par hein... phir ek baar unki raksha kar rahein hein jo galath hein aur unko doshi man rahein hein jinki koyi galthi nahi " it means she indirectly sayin tat he is on kushi's side n by this she had come to knw abot kushi n shyam's matter before i think