The Big Data is the buzzword in present days across the globe. As there is a huge data generated by different sources such as business people, marketing, education, engineering, medicine, social media, on-line transactions, call centers, sensors, web logs and telecommunication. There is a need to manage the risk associated with the collection, storage, retrieval and analysis of such enormous data. Big data analytics is emerged as a core business practice that firms use to understand their business. Business intelligence and analytics are in high demand as organizations seek to use information assets to improve business outcomes.