Amar grew up in Walsall, West Midlands, United Kingdom. She is the daughter of the singer Mangal Singh who is famous for the song "Jaandi". Amar herself catapulted to fame as a young girl with her hit single Tu Hai Mera Sanam, a Hindi cover of Dolly Parton's I Will Always Love You, which has also been covered by Whitney Houston. In her teens she moved to London and discovered the Asian underground scene. She collaborated with Talvin Singh and features in the song "Jaan" on his 1997 album Anokha - Soundz of the Asian Underground
. She appeared on the album I'm too sexy
(1997), a compilation album of electronic mixed with Hindi-Pakistani sounds. Later, she was featured in the song "I'm so sexy" by Talvin Singh and she also delivers a solo called "Why am I so sexy".
In 2010, Amar won "Best Female Act" at the UK Asian Music Awards (UK AMAs).