Un- accounted Money- Black money concept

Proceeds unaccounted money, usually received in cash or kind, from underground economic activity called as Black money. Black money is earned through illegal activity and, is not taxed. Recipients of black money must hide it, spend it only in the underground economy, or attempt to give it the appearance of legitimacy through illegal money transactions or laundering. In a Global era, Black Money possible sources in wide concept includes drug trafficking, weapons trading, terrorism, prostitution, selling counterfeit or stolen goods and selling pirated versions of copyrighted items - software and musical recordings.?Black Money?is also the name of a television series hosted by Lowell Bergman that explores the secret world of bribery in international business recently in past years.