Big Data insight means the discovery of information, patterns, and trends that were hidden in Big Data. Big Data insight assists in making critical business decisions and gives us the direction to formulate future strategies. It also gives you a competitive edge over your competitors. It helps to understand your customers more and give them personalized offerings. Neglecting Big Data insights may lag you behind the market and throw you out of the competition. So to remain competitive in the market businesses must harness the inherent potential of the Big Data. Businesses can take fast and informed decisions based on the insights obtained from Big Data. It is an outcome of comprehensive data processing and analytics. To obtain insight from Big Data, we are required to process and analyze lots of data. We try to find out various patterns such as market trends, customer spending habits, financial understandings, etc. which may assist businesses to formulate their business strategies accordingly. Big Data insights give us the answers to our varous questions. These questions are related to: market trends customer habits customer preferences customer likings what may work and what may not customised offerings personalised recommendations quality aspects efficiency improvement cost reduction revenue growth where to spend and where not, hiring top talent etc. These are some of the questions of which only the data can give better answers. There are so many tools available that assist you to get this required insights out of Big Data.