On 29 June 2011, Reuters reported that she had tested positive for the anabolic steroids methandienone and stanozolol during off-season tests, following the same day announcement of the Athletics Federation of India.[3] She blamed the results on tainted food supplements, and denied taking any banned substance knowingly.[4] After a total of 6 Indian female 400m runners tested positive, including Mandeep's teammates at the Commonwealth Games, Ashwini Akkunji and Sini Jose, the team coach, Ukrainian Yuri Ogrodnik, was fired by India's Sport's Minister Ajay Maken.[5]