Hard Kaur (born Taran Kaur Dhillon in 1979), is an Indian rapper, and singer, often called the first female Indian rapper, and the first female Punjabi rapper. She first shot to fame with the song Glassy, which was a huge hit. Her Bollywood break appeared in 2007, in Sriram Raghavan\'s movie Johnny Gaddaar. Since then she has sung numerous songs in movies like Ugly Aur Pagli, Singh Is Kinng, Kismat Konnection, and Bachna Ae Haseeno. Hard Kaur was recently signed by Eminem for his company. She is also a participant in the television reality show Jhalak Dikhhla Jaa, Season 3.
Who among these should retire from Bollywood?