Tandon took up modelling assignments early in her career and was the "Femina Cover Girl First Runner Up" 2006 She also appeared in the Afghan serial
Khushi in 2008 as part of the international project, where she played the lead of an Afghan woman doctor. She co-hosted
Zor Ka Jhatka: Total Wipeout (based on the
Wipeout format) with
Shah Rukh Khan in 2011. She has hosted
Dance India Dance for 3 seasons, for which she got the Best Anchor award too. She co-hosted
Bournvita Quiz Contest, along with
Derek O'Brien for three seasons. She also hosted
LG Mallika-e-Kitchen for three seasons. In 2015, Tandon started playing the role of Anita in the comedy serial
Bhabiji Ghar Par Hain!. She is also known as "gori mem" from the serial, due to her being referred to as the same in the show by Yogesh Tripathi's character. In 2018, she hosted the second season of
Entertainment Ki Raat on Colors TV. On 21 August 2020, she quit
Bhabhi Ji Ghar Par Hain!. In 2025, she gained further recognition portraying Ulfat, wife of
Akshaye Khanna character
Rehman Dakait, in the spy-thriller
Dhurandhar and Dhurandhar: The Revenge. ==Personal life==