Adi's doubtful nature on Kavya n Shubh that weak point Anubha used it for her gain by feeding him with continous lies n negativity on Kavya n also her desperate efforts to keep them away from meeting each other. Emotionally she made him weak to such n extent to fall easily to her plans.
In all this makers who wanted to show Adi low n Kavya high totally lost balance of the show n went out of track of their projected progressive show to destruction of the show