Bitti was born on 29 November, in a Punjabi Sikh family, to father S. Gurnaib Singh and mother Gurcharan Kaur. Her father, a retired from PWD, Patiala, was also have an interest in music and taught her the basic of music. She used to sing religious songs on different devotional functions and thus started singing at a very early age of five. She is the fan of singer Lata Mangeshkar and later, took singing as profession and release many religious and folk albums. She had done her BSc. (non-medical) from MCM DAV College, Chandigarh and was national-level hockey player