Massacre Gun
Kuroda (Jô Shishido) is a mob hitman who turns on his employers after being forced to execute his lover. Joining forces with his similarly wronged brothers, hot-headed Eiji (Tatsuya Fuji) and aspiring boxer Saburô (Jirô Okazaki), the trio escalate their mob retaliation to all-out turf war where no one will stop until one faction emerges victorious.
Starring Jō Shishido, Hideaki Nitani, Yōko Yamamoto, Jirô Okazaki, Ryōji Hayama, Tatsuya Fuji, Tamaki Sawa, Kaku Takashina, Shōki Fukae, Jūkei Fujioka
It's a crime and drama movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from India.