Yug Purush

After Anirudh lost his parents in a heavy rain-storm, he loses his senses and withdrew into himself in a catatonic state, and was hospitalized in a mental asylum. After 25 years, Anirudh recovers and is released with a certificate to prove that he is normal, from his discharging doctor. He travels to Bombay with a first class train ticket, and meets two fellows passengers, Paresh and Sunita then what happened is the crux of the story.