A public discussion about demonetisation and black money is scheduled to happen today 6 p.m. at The Music Academy. It will be led by S. Subramanian, economist; Raghavan Srinivasan, editor, The Hindu BusinessLine; C. Rammanohar Reddy, author of Demonetisation and Black Money, and moderated by Sashi Kumar, chairman, Media Development Foundation. Admission is free and open to all.