Sandali Sinha was born on January 11, 1973, in Muzaffarpur, Bihar, India. She grew up in an Air Force family and later moved to Delhi after her father's untimely death. Sinha completed her schooling at Air Force Bal Bharati School and graduated from Jesus and Mary College, Delhi. Initially aspiring to be a doctor, she shifted her focus to modeling after participating in an amateur fashion show. Sandali began her acting career with the television series "Tanha" in 1999 and gained prominence through the music video "Deewana" featuring Sonu Nigam. Her film debut came with "Tum Bin" (2001), where she played the role of Pia, earning her critical acclaim. Despite her early success, Sinha faced challenges in securing lead roles in subsequent films. She married businessman Kiran Salaskar in November 2005, and they have two children together. Currently, she resides in Mumbai and assists her husband in managing his business.