This paper is an attempt to explore the new concept of Big Data. In its first section, it describes the concept by specifying the three broad dimensions to measure it viz., volume, velocity and variety. These dimensions are still evolving as this notion of big data is still in its nascent stage. The second section discusses some serious implications which the managers need to adopt in order to polish their decision making skills by optimally utilizing this data. In the third section, the big picture of big data in India is described. It states the stages of big data adoption by the Indian corporates, the sector wise utilization of this data and the usage of Hadoop, the most commonly preferred big data software, in India.