Currency relative values of the different currencies. Currencies in this sense are defined by governments, and each type has limited boundaries of acceptance. Other definitions of the term "currency" are discussed in their respective synonymous articles banknote, coin, and money. The latter definition, pertaining to the currency systems of nations, is the topic of this article. Currencies can be classified into two monetary systems: fiat money and commodity money, depending on what guarantees the value (the economy at large vs. the government's physical metal reserves). Some currencies are legal tender in certain political jurisdictions. Others are simply traded for their economic
Indian black money transaction only. Smuggling of US$ into the country by NRIs, foreign tourists shall be curbed at entry ports. NRIs / foreign tourists shall conduct cashless transactions for acquiring INR currency, etc. All Indians who are going abroad should use international credit / debit cards instead of carrying US$ in cash with them. This would also prevent international trade in narcotics, terrorist funding, etc. Many institutions that are meant to provide education have been promoting corruption, and education has been a major contributor to domestic black money in India. Single common entrance exams for various professional courses (medicine and allied, engineering