Economics is a behavioral science which focuses on how human beings allocate their scarce resources. It covers a wide range of subjects concerned with how economies interact with each other and impact the world dynamics. Amartya Sen, Dr. Manmohan Singh, former RBI Chief Raghuram Rajan have all made their place in the great echelons of Economists. Their contributions have left an indelible mark on the society, and you can follow in their illustrious footsteps.