There are more than 300 biopharmaceutical products including therapeutic proteins and antibodies in the market with sales exceeding USD100 billion [2,3]. Therapeutic monoclonal antibodies have captured the major market share (>USD18 billion) followed by the hormones (>USD11 billion) and growth factors (>USD10 billion) [4]. Biopharmaceuticals approved by the US Food and Drug Administration (FDA) and European Medicines Agency (EMA) from 2004 to 2013 are largely derived from mammalian cell (56%); E. Coli (24%); S. Cerevisiae (13%); Transgenic animals & plants (3%) and insect cells (4%) as shown in Figure 1 [5-13]. At present, insulin is being produced predominantly in E. coli and Saccharomyces cerevisiae for treatment of diabetic patients.