Introduction -- Polyrotaxane based on inclusion complexes of OH-PDMS-OH and Br-PDMS-Br with γ-cyclodextrin without utilizing sonic energy -- Synthesis and Characterization of PDMS based triblock and pentablock Copolymers -- Cobalt mediated radical polymerization of 4-bromo-2,6-dimethyl phenol and its copolymerization with poly(dimethyl siloxane) in the presence of Co(acac)2: DMF catalyst -- Novel Thermoreversible Block Copolymers: Silicone Macroinitiator in Atom Transfer Radical Polymerization.