Need of the hour is thus innovation of products and processes that ensure reduced material and energy consumption and less impact on the environment.There are many approaches for production of gluconic acid such as chemical, electrochemical, biochemical and bio-electrochemical [10–12].There are mainly three different methods for the commercial production of gluconic acid like; chemical oxidation of glucose by hypochlorite solution [13]; electrolytic oxidation of glucose solution in presence of bromide and fermentation process where specific micro-organisms are grown in medium containing glucose and other ingredients [14,15].