Data Scientist is one of the hottest and trending career option of the decade. The demand for data scientists is huge, the number is said to be much higher than the available candidates. So, choosing data science as a career option has a lot of scope and will remain so in the near future. Data Science as a multi-disciplinary subject encompasses the use of mathematics, statistics, and computer science to study and evaluate data. The key objective of Data Science is to extract valuable information for use in strategic decision making, product development, trend analysis and forecasting. Data Science concepts and processes are mostly derived from data engineering, statistics, programming, social engineering, data warehousing, machine learning and natural language processing. The key techniques in use are data mining, big data analysis, data extraction and data retrieval.