I think she kept issuing these ads to keep the pot boiling so to speak. As far as I know none of these announced films were ever completed. In this ad she quotes at length from an American magazine. I found out about this article long ago and actually went to the library, copied the article and put it on my website. Now You Know!
Musing 2689. Madhubala's banner again.
Source: https://hindi-movies-songs.com/joomla/index.php/hindi-films/articles/95-madhubala-as-seen-in-us-1952
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