It depends. Sometimes Bollywood movies are based on real events, but others are purely fictional. So, for 'Fighter', it's hard to say for sure without more specific information.
There is the story of Rocky Marciano. He was an undefeated heavyweight champion. Marciano came from a humble background. He worked hard every day in training. His fighting style was relentless. He would keep coming forward, wearing down his opponents with his powerful punches. He was dedicated to his craft and his rise to the top of the boxing world was a testament to his perseverance and natural talent.
It could mean that there is a story about a fighter (which could be a person involved in combat, a sports fighter, or someone fighting for a cause) that is based on real - life events. Maybe it's a story of inspiration, showing the real - life struggles and triumphs of this fighter.
I'm not sure specifically which 'fighter hindi real story' you're referring to. There could be many stories related to fighters in the Hindi context. It could be about a sports fighter, a freedom fighter, or someone fighting against odds in life.
Yes. Yuri Boyka is often considered to be based on real - life fighters. His story in the movies shows his journey in the world of underground fighting, and there are real - life counterparts who engage in such intense combat sports in the less - regulated fighting circuits around the world.