She was an MP in the 15th Lok Sabha from Unnao, Uttar Pradesh with the Indian National Congress party.
Tandon is the founder director of the Hriday Narain Dhawan Charitable Trust, which has been active in philanthropy in the district since before 2000.
The charity, funded mostly through family funds, has worked in education, and gathered attention for innovative projects like helping children of illiterate parents with their homework.
The charity also works with weaker groups like widows and the handicapped.
She was also associated with Rehabilitation wing of the Congress party.She was earlier managing MoTech Software Pvt.
Ltd, a firm launched by Mukesh Ambani, and also ran Salonica Vasans, a textile export firm.She has a B.Sc.
degree from Dayanand Subhash National Post Graduate College, Unnao.