Kahaani 2 movie a big thriller movie, Vidya Balan played a role of middle-class working mother who lives in Chandan Nagar in West Bengal with a sweet daughter Mini . Mini was paralysed. she usesd wheel chair for moving here and there. Mini the sweet & lovely Child.A story of both with a Heavy twist. Its a great Thriller. very intresting. Arjun Rampal played a role of Sub-inspector Inderjeet Singh, Jugal Hansraj played a role of Mohit Dewan. in short we can say this movie is nothing but all about the child exploitation by sexual abuse. Mehram. a song which u remember for long time.