The debate has been mostly marked by mud-slinging and name-calling and the debates that have ensued often have no basis in fact. While most people have a hazy notion of black money, only a few are able to unpack the concept to reveal its various shades.In this e-single, which is part of a larger, ongoing work, Prof. R. Vaidyanathan provides the reader with a brief overview of black money—its generation, its estimates and how and why it is spirited away to tax havens. This is a unique, timely work that packs in much information and offers a 360-degree view of the issue.Prof. R. Vaidyanathan recently retired from IIM, Bangalore as Professor of Finance. He is now Cho S Ramaswamy Visiting Professor of Public Policy at Sastra University, Thanjavur.