Tandon began dating film distributor Anil Thadani during the making of her filmStumped (2003). Their engagement was announced in November 2003. She married Thadani on 22 February 2004 in Jag Mandir Palace in Udaipur, Rajasthan according toPunjabi traditions.[20] She gave birth to a baby girl named Rasha on 16 March 2005 and had her second child, a baby boy named Ranbir, on 12 July 2007.
Tandon was chairperson of the Children's Film Society of India from 2003, but from 2004 the actress began to get complaints that she did not attend the organisation's meetings and that she was not involved with the activities set up by the society. In September 2005, Tandon resigned from her post citing personal reasons.[22]
In November 2005, Tandon sued the websites,Shaadi.com and Shaaditimes.com, claiming that they were using unauthorized images of her to promote the site. She also sued the owner Satyanet Solutions, as they claimed that Tandon and her husband had met through the website.
