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Cr doped ZnS nanostructures have been fabricated through colloidal solution route by using Polyvinyl alcohol (-C2H4O)n and Polyvinyl pyrrolidone k30 (C6H9NO)x as dielectric hosts. Growth of fractal structures have been observed through Transmission Electron Microscopy. Higher magnification TEM study reveals that these fractals actually a organize structure of ZnS:Cr nanostructures. The structural study of these nanostructures in the fractals is done by X-Ray Diffraction, UV-Visible spectroscopy, Photoluminescence spectroscopy AFM and MFM. These investigations allow us to form a comprehensive explanation of fractal as well as nanostructure growth. We have done dimensional study of these fractals and the reason behind the formation of these fractals. [ABSTRACT FROM AUTHOR]