Unbeatable spirit: Amitabh releases boxer Mary Kom's biography

Bollywood superstar Amitabh Bachchan unveiled the autobiography of boxing legend Mary Kom, 'Unbreakable'. (Photo Vinod Singh)

An epic moment when the acting legend and the boxing legend together have a look at the achievements of the Boxing star. (Photo Vinod Singh)

Mary Kom signs her biography and Big B signs autograph for his fan. (Photo Vinod Singh)

Mary Kom with her husband, handing over her child in the hands of a megastar. (Photo Vinod Singh)

On this special occasion for Mary Kom and her family, she said, My struggle has been one that many in our country face, especially women. The reason I decided to pen my story down was so others could read it and feel that if I could achieve what I have, so can they. (Photo Vinod Singh)

The Olympic medal winning boxer M.C. Mary Kom has not only contributed to the field of boxing. In fact she has made innumerable contributions in breaking stereotypes about women, especially for women in North East.(Photo Vinod Singh)