Fondly known as Maharani Sahiba, she was born in Shimla to Satinder Kaur and Gian Singh Kahlon,ICS and later Chief Secreatry, Government of Punjab. She attended St. Bede's College, Shimla and graduated from convent of Jesus and Mary, Shimla. Her sister Geetinder Kaur is married to Simranjit Singh Mann, President of the Shiromani Akali Dal . Her son Yuvraj Raninder Singh is also a member of the Congress party and contested elections in 2009 from Bathinda.
Her Highness is considered a social and cultural icon in Patiala. Prior to her elections as a MP she worked as an active social worker with Indian Red Cross and various other organisations for betterment of masses. She started Sanjeevani an institute in Patiala for differently abled children.