Born in Delhi, India, she is a graduate in English literature from the University of Delhi. She specializes in western and Indian classical music.
She was a member of the band Black Slade in Delhi. In 1996, the signature tune of A.I.R. F.M., a channel of the All India Radio was launched in Shibani’s voice. She has composed advertisement jingles for Amul India and Subah Savere show on Doordarshan. She shot into national fame with her debut pop album Ho Gayi Hai Mohabbat (1998) for which she won the Channel V award. She was selected to represent India at the 1999 annual international music festival Azia Dauysy held in Kazakhstan. In 2000, she released a Sufi album called Nagmagee.
She has performed live shows around the world. She composed and sang her first film song “Sajna Aa Bhi Jaa” for the Hindi film Waisa Bhi Hota Hai Part 2 in 2003. She sang for the films Zinda (2006) and 1971 (2007).
She won the Best Female Pop Singer award for the album Nazakat at the 2005 Sangeet Awards held in San Francisco. She composed and sang the title track for the television serial Akela on Sony Entertainment Television. She was one of the judges of the singing show Bathroom Singer on Sahara Filmy channel.
Shibani Kashyap along with 29 independent and mainstream other artists were picked to be a part of Hungama Digital Media’s new independent music venture ArtistAloud.com. According to Shibani Kashyap “It is a great site as it gives artists their individual space and a platform. It is a great revenue opportunity as well, because there is no way people would be able to pirate these songs, as they are not available in the market. This way we can fight piracy and get our rightful revenues.” On 1 August 2012, she traveled from Mumbai to Jantar Mantar, Delhi to participate in the India’s fight against corruption. She presented the song “Anna Hazare Deep Hamare” in front of thousands of citizens of India who were there supporting the movement against corruption. On 6 July 2014, she enrolled as member of Bharatiya Janata Party, a political party of India, which formed government in month of May 2014. She also announced this association on website Twitter, earlier also she released new music album ” My Free Spirit ” where the remix song was produced by Nakul Shourie which was launched by Sonu Nigam9
She has Ranviir The Marshal in 2015, that features a special number sung by her. She has also acted in the film. In 2018, she sang the gangster themed song “Bachke tu chalna re”, a duet with singer and composer Varun Ahuja for the film “Mere Paas Baap Hai”.
In 2012 she sang a Pakistani serial title song Mohabbat Jai Bhar Mein in Urdu language which was a major hit in Pakistan and as well as India too. She has made her acting debut in the Star Plus T.V show Veera as musician “Megha”.