The much-awaited trailer of Priyanka Chopra 's upcoming film ' Mary Kom ' was unveiled yesterday. The movie is the biopic of Indian boxing champion Mangte Chungneijang Mary Kom and her life journey till now. The first look posters and teaser of the flick impressed everyone and bagged praises for the actress. Priyanka described the film as the "hardest" one in her career span.

Priyanka Chopra narrated the journey of shooting this film by saying that the team of the film worked for 18 hours even in rains, cold and very complex conditions. She added that the film was a team effort and the five-time world champion Mary Kom went into tears post watching the film. Priyanka confronted injuries while shooting for the boxing scenes and she worked hard on Manipuri dialects as well as to comprehend the stance, nuances and style of a boxer. Shedding her glamorous image, PeeCee has appeared in a non-glam look by wearing track pants, loose t-shirts and sporting braided hair.

The film will also talk about her fearless journey of becoming a boxing champion, her father's opposition for it, training and fighting with men, her triumph, marriage and support from her husband for her dream, her motherhood and her never-say-die spirit.

The story doesn't end here. Priyanka will also be seen singing a Lori kind of a song in this flick. The power-packed trailer of ' Mary Kom ' says it all!

Produced by Viacom 18 Motion Pictures and directed by Omung Kumar , the inspirational tale ' Mary Kom ' will illumine the silver screen on September 5.