Yeh Rishta Kya Kehlata Hai: Karishma Sawant roped in to play Aarohi in the Mohsin Khan-Shivangi Joshi starrer?

Newbie Karishma Sawant has been finalised to play Aarohi in Mohsin Khan and Shivangi Joshi starrer Yeh Rishta Kya Kehlata Hai.