Heavy metal contamination is a potential threat to drinking water sources. Chromium (VI) is more water soluble, it easily enters living cells and is much more toxic than Chromium (III). In the same way, the presence of excess copper metal ions in the human body leads to lot of toxicological effects such as hepatocirrhosis. In the present study, the blending of cross linked Chitosan with copolymers Poly AcryloNitrile (PAN) has been synthesized in presence of cross linking agent glutaraldehyde in 2% aqueous acetic acid solution. The synthesized copolymer blend was subjected to the analytical techniques like Fourier Transform Infrared Spectroscopy (FT-IR), and XRD studies to confirm the formation of copolymer blends. The prepared copolymer blend was subjected to heavy metal contaminated wastewater and the results revealed that the prepared copolymer blends are excellent in removing all the metal ions by adsorption. Hence the cross linked Chitosan-Poly acrylonitrile (CS/PAN) copolymer blends could successfully open a way for the Chromium (VI) and Copper (II) ions removal from the aqueous solutions. The adsorption capacity of the copolymer blends were determined by using Langmuir and Freundlich adsorption isotherms.