In 2014, she began her Bollywood playback singing career with the song "Baby Doll" for the film Ragini MMS 2.

Upon its release, the song topped the music charts and Kapoor received wide critical acclaim and several accolades for her singing style, including the Filmfare Award for Best Female Playback Singer.

In March 2020 after returning from London, she attended a number of parties with Indian politicians and VIPs at Hotel Taj, Lucknow, despite India's Ministry of Health's home quarantine advisory against Coronavirus at the time.

At the age of 15, she did a stint with All India Radio and also accompanied bhajan singer Anup Jalota in his shows.

[7] Kanika Kapoor married Raj Chandok, an NRI general practitioner,[8] in 1999 and moved to London with her husband, with whom she has three children, two daughters Aayana & Samara and a son Yuvraaj.

[16][17] The party in question was attended by several prominent personalities, and bureaucrats[18] including former chief minister of Rajasthan Vasundhara Raje, her son – incumbent MP Dushyant Singh, and Uttar Pradesh's state minister of medical, and health Jai Pratap Singh.

As the party was attended by a few politicians, a domino effect lead to the quarantine of six members of parliament, the health minister of Uttar Pradesh Jai Pratap Singh, former chief minister of Rajasthan Vasundhara Raje, two top bureaucrats in the central government, three members of the legislative assembly of UP, and other bureaucratic elites went into self-quarantine on the same day when Kapoor made her test result public.

The FIR says:[15] [...]when the singer was screened at the Lucknow airport on March 14, "high viral load was detected".

[23][24] After returning from the UK, Kapoor has attended three parties in Lucknow, one in Kanpur and has been part of at least two other public gatherings.

[25] Kapoor has been facing severe criticism on Twitter and other internet platforms for her negligence, and contradictory statements.

[28][29] On 24 March 2020, the second COVID-2019 test which was conducted due to the doubt created in the mind of her family members, came out to be positive.

The track was the remix version of the Pakistani Sufi song "Alif Allah", originally sung by Arif Lohar and Meesha Shafi at the third season of the musical series Coke Studio Pakistan in 2010.

Both the songs "Lovely" and "Kamlee" received generally positive reviews and were proved to be a major success.

[45] She also relaunched her own fashion brand "Kanika Kapoor: House of Chikankari" to help the female artisans in Lucknow and develop this art of embroidery and textile decoration.

She sang "Neendein Khul Jaati Hain" for the film Hate Story 3, collaborating fourth time with Meet Bros.[49] She also sang a welcome song titled "Hello Namstey" for India's Prime Minister Narendra Modi when he attended a gathering at Wembley Stadium, London on 13 November 2015.