UPSC Civil Services 2017 Prelims General Studies Paper I

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Question : 2 of 100

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Which of the following is a most likely consequence of implementing the 'Unified Payments Interface (UPI)?

Mobile wallets will not be necessary for online payments.
Digital currency will totally replace the physical currency in about two decades.
FDI inflows will drastically increase.
Direct transfer of subsidies to poor people will become very effective.

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