Rani was born in the famous Mukherjee clan on a star date March 21 1978 to director Ram Mukherjee and his wife -a playback singer Krishna. Rani also has an older brother Raja; famous actress Kajol is her second cousin.Rani began her career with a low budget movie Ashok Gaikwads Raja Ki Ayegi Baraat. The movie did average and Rani\rquote s performance was appreciated and caught the eye of Mahesh Bhatt, who casted her opposite Aamir Khan in Ghulam. Ghulam made Rani a star and next she was signed by Karan Johar for Kuch Kuch Hota Hai a movie that made her a superstar.
