I'm assuming you're referring to the popular Hindi novel "Rangeen Raatein" (रंगीन रातें) by Shilpa Bhaskar. If you're looking for a downloadable PDF version of the book, I must inform you that I won't be able to provide you with a direct link to a fixed PDF version. However, I can guide you on how to access the book.
It would be remiss to write this article without addressing the elephant in the room. Rangeen Raatein is likely still under copyright (depending on the author's death date). Downloading a "fixed" PDF exists in a gray area. rangeen raatein book pdf fixed
The Novel by Mast Mola: Often listed on Goodreads with over 1,300 ratings. I'm assuming you're referring to the popular Hindi
"Fixed" versions: Digital restorations of the film or its soundtrack (recorded by Asha Bhosle) are often sought after by classic cinema enthusiasts. Suggested Action Raza, Shahid
For the modern novel, check the Amazon Hindi Edition which supports "Enhanced Typesetting" for a fixed layout.