Poddar & Jain (2011) has explained that due to the down turn to the recession of global economy, the business world facing new challenges and opportunities as well and to work effectively in this global world they need to work jointly. They further explained that due to this jumble in global market the importance of merger and acquisition has become more clear and substantial and companies have started to use this process for restructuring their businesses in order to work effectively to meet the challenges and opportunities of global market. And on the other hand when we take in to account the pharmaceutical industry the imbalanced situation in research have also disturbed the market. “As an alternative, in pharmaceutical industry firms build strategies of merger and acquisition when faced obstacles in development of drugs and in patent process in order to strengthen their long term financial investments. Success of acquisitions is strongly related to the market behaviour, where demand and R&D fluctuating abnormally and investors expect exceptional returns in such situations” (Vass & Economopoulos, 2012). Rapid growth in R&D (Research and Development) in pharmaceutical industry has brought opportunities and threats among competitors. According to the report of (pharmacist.com, 2009) on “R&D in Pharmaceutical Industry” that pharmacists in United States spend 29% time of their job at work in research and development activities like improvement of existing products and development of new drugs.