Infrastructure Leasing and Financial Services Ltd (IL&FS), Dewan Housing Finance Corporation Ltd (DHFL), Reliance Capital Ltd and YES Bank, though a dozen more can be rightfully tagged to this ‘big-4’, cumulatively caused anywhere between Rs1 lakh crore and Rs1 lakh fifty thousand crore loss to their lenders, investors in debenture and preference shares, and public deposit holders, in the space of less than two years.