Olympic medal-winning boxer Mary Kom has made innumerable contributions in breaking stereotypes about women, Amitabh Bachchan said on Monday.

"Mary Kom is already a legendary figure in the country, loved and admired by all. She has made innumerable contributions in breaking stereotypes about women, more so from the northeast. The book beautifully brings out her indestructible spirit and is an inspirational read for everyone," Bachchan said after unveiling Kom's autobiography Unbreakable.