The world's highest sports tribunal upheld International Association of Athletics Federation's (IAAF) appeal to increase the ban period of quartermilers Ashwini Akkunji, Mandeep Kaur, Sini Jose, Juana Murmu, Priyanka Panwar and Tiana Mary Thomas from one to two years.
Their ban period will start from the day of provisional suspension slapped on them by the NADA last year.
"The appeals filed by the IAAF against the decisions taken by Indian Anti-Doping Disciplinary Panel on 23 December 2011 in relation to the following runners Ms Mandeep Kaur, Ms Jauna Murmu, Ms Ashwini, Ms Panwar, Ms Mary Thomas and Ms Jose have been upheld," the CAS said in its ruling.
"Ms Mandeep Kaur, Ms Jauna Murmu, Ms Ashwini, Ms Panwar, Ms Mary Thomas and Ms Jose are all declared ineligible for a period of two years starting from the date of the award (17 July 2012), given credit of the period of their previous period of ineligibility and subsequent provisional suspension already served," the ruling said.
The decision of the CAS, delivered last night in Lausanne by Mark Hovell of United Kingdom, is final and no appeal lies against its decision.
Three of the six athletes were present at the hearing held on Monday while the other three pleaded their case via video conference.
Ashwini will also be stripped of the gold she had won in the 400m race in the National Inter-State Championships held in Bangalore in June last year while Mandeep and Juana would be stripped of the silver and bronze they had won in the same event.
Tiana Mary will also have to part with the gold she had won as a member of Kerala's 4X400m gold-winning relay quartet. MORE