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Polymers have become indispensible part of our life. Every year close to 150 million tones of plastic is being used and the demand is increasing further more (Crank et al., 2004). Petroleum derived polymers are non-degradable and there is a rising burden of their safe disposal. Biologically produced and easily degradable polymers are often considered as practically feasible alternatives; these are mostly produced from renewable energy sources unlike to nonrenewable petroleum based polymers