Ready to swing her fist hard in the ring, 2012 London Olympic bronze medalist MC Mary Kom will make her competitive 51kg debut in the second edition of the India Open boxing tournament, starting here today.

While Mary Kom leads the Indian contingent, around 200 pugilists from 16 boxing powerhouses like Italy, Poland, Argentina, Thailand will be vying for glory in the five-day global sporting event to be held at the Karmabir Nabin Chandra Bordoloi Indoor Stadium.