She started her career with the cameo role of Sonu in the Star Plus saga Kahani Ghar Ghar Ki. She later played the title role of Dollie in Star Plus's Hello Dollie, produced by Sagar Arts. She has acted in a movie, Perfect Husband and has presented The Will Power, a documentary for the BBC.

She was seen in Sahara One’s Doli Saja Ke, Woh Rehne Waali Mehlon Ki, Naaginn and a role in Lo Ho Gayi Pooja Iss Ghar Ki has been announced.

She was also seen playing the role of Tara Vadhera in the 2005–06 TV show India Calling that aired on STAR One. She played the role of Naintara in the 2010–11 TV show Geet... Hui Sabse Parayi. But she did not continue when the role was revived after a break for her family commitments.

Since then, she has switched careers and is a partner in an information technology venture with her husband, K. K. Mookhey.

Randhawa married Kanwal Mookhey, a businessman involved in information technology consultancy and the brother of former Miss World, Yukta Mookhey.^[2][11]