This is one of the greatest suspense movies of all times in any language. Kamal Amrohi was a genius, who could never reproduce at the same level, as in Mahal, his debut venture. In this respect, he reminds me of Orsen Welles, whose debut venture Citizen Kane was his best, and one of the greatest movie of all times. What upsets me most is that Mahal is considered a ghost story by many commentators. Nothing could be further from truth. It's a great suspense story, told in a straight forward way, and yet exceptionally hard to guess the surprise ending on first viewing. Khemchand Prakash's music is among the finest in Hindi movies. But for his early demise, he would have been as much an icon as Naushad he introduced to Hindi films.