PM Modi also said he "bows" to the people of India for supporting the measures taken by the government against corruption and black money.
In a series of tweets on the first anniversary of note ban, PM Modi also posted short films on his twitter handle to showcase the benefits it brought.
He said the move formalised the Indian economy and ensured better jobs for the poor, while cleansing the financial system.
While the BJP is observing the day as 'anti-black money day', the opposition is holding protests in several parts of the country against demonetisation.
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