Olympic medallist Mary registered a comprehensive 5:0 victory over China's Wu Yu in the light flyweight (48 kg) category at the Indira Gandhi Sports Complex here.
With this victory, the 35-year-old has assured herself of a seventh World Championship medal.
Mary will now take on North Korea's Kim Hyang Mi on Thursday.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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