The 29-year-old actress, who began her career playing a MMS scandal victim who turns into a prostitute in 2009 release 'Dev D', was last seen portraying a student activist in 'Shanghai'. 'I am playing this bohemian happy-go-lucky girl in 'Ek Thi Daayan'. She is a very sweet 'non-daayan' like character. I do get into an unpredictable zone but the inherent sweetness doesn't go," Kalki told in an interview.