Posted:
Dont ask me how, but after watching Ritesh today I got a hunch that Ritesh might tell Ananya himself that he stole the necklace and not Taani. He did this for her as she was so disturbed by Taani and he wanted to humilate Taani in front of everyone, so he thought this might would be a way to get rid of Taani. I think he would say this probably out of desperation to stop Ananya leaving the house...
It could be a possibility, well tomorows episode will clear this out.