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India's central bank will have to destroy, by one estimate, some 20 billion "expired" banknotes after it scrapped two high-value denominations - the 500 ($7.60) and 1,000 rupee notes - this month to crack down on "black money" or illegal cash holdings.
To give some idea of the amount of the currency that represents - there were more than 90 billion banknotes in circulation in India last March.
Most central banks destroy soiled and mutilated banknotes on a regular basis and replace them with new, crisp ones.
The Reserve Bank of India, similarly, shreds such notes and makes briquettes of them.
So the bank's 27 shredding and briquetting machines in 19 offices across India will now snip the expired banknotes into the smallest of pieces and the resulting briquettes will be then dumped in India's vast landfills.
Sometimes the shredded currency is also recycled to make files, calendars and paper weights and ballpoint pen shells, tea coasters, cups and small trays as souvenirs for guests.
The practice is similar in the US (Ссылки на внешний сайт.): counterfeit banknotes are sent to the Secret Service, while unfit notes are shredded and sent to landfills or given away as souvenirs to the public touring the Federal Reserve Bank.
On Tuesday night, in an unusual broadcast to the nation, Indian Prime Minister Narendra Modi scrapped 1,000 and 500 rupee notes in a bid to flush out tax evaders. The banknotes that were declared illegal tender represent more than 86% of cash in circulation in India. Economic analyst Vivek Kaul explains the fight against tax evasion.
The notes which have been withdrawn can be deposited in banks as well as post offices until 30 December and the money will be credited into the account of the individual depositing the money. Up to 4,000 rupees can also be exchanged in the bank.
While Indian cities are full of bank branches, those living in rural areas will find exchanging the old notes a little difficult. Only 27% of Indian villages have a bank within 5km (three miles).
The idea behind this move, the government says, is to curb "financing of terrorism through the proceeds of fake Indian currency notes and use of such funds for subversive activities such as espionage, smuggling of arms, drugs and other contraband into India".