Sanamacha Chanu (born 2 October 1978) is an Indian weightlifter who competed in the women's 53 kg weight class at the 2004 Summer Olympics. She originally finished fourth, but tested positive for a banned substance and was disqualified. She had also won three golds at the 2002 Commonwealth Games in Manchester and was a part of the core team for the 2010 Commonwealth Games at New Delhi, during the trials for which, she was tested positive for methylhexanamine; a stimulant commonly used as a nasal decongestant.[1] As per the rules of the World Anti Doping Agency,she, now faces a life ban from Weightlifting after she tested positive for dope, for a second time at the 2010 Commonwealth Games.[2]