Komolika to kill Prerna in serial Kasauti Zindagi Kay 2?

Ekta Kapoor’s ‘Kasautii Zindagii Kay 2’ has managed to win the hearts of the viewers. The romantic saga starring Parth Samthaan-Erica Fernandes also has Hina Khan as Komolika. Hina Khan, who became a household name after portraying the character of an ideal 'bahu' Akshara in long-running 'Star Plus' show 'Yeh Rishta Kya Kehlata Hai', has made her comeback in the fiction genre KZK2.