One of the hottest job in 21sty century is a job of data scientist. India’s big data market is expected to hit US$ 1 Billion in 2015. This is in line with the global trend where the global big data market is expected to hit a whopping US$ 8 Billion. So the need for data scientists is immediate, not just in India but globally, a demand that is unlikely to abate in the near future. Today, a number of academicians, economists, physicists, mathematicians, statisticians, data miners and programmers are exploring careers in data science.