As high-concept premises go, The Man Who Feels No Pain (Mard Ko Dard Nahin Hota) has an absolute humdinger. It’s an Indian martial arts film about Surya, a man with a rare disorder that prevents him from registering pain. With an irreverent tone and a theme song featuring the lyric “Break it! Shatter it! I am the man who feels no pain!” this should be martial arts movie for the ages. So why is it such a chore to watch? Well, the pacing for one thing. The Man Who Feels No Pain is a turgid 134 minutes long, inconceivable considering the…