Monday is when the Reserve Bank of India (RBI) lifts all the currency withdrawal restrictions it had imposed since November 8, the day Prime Minister Narendra Modi announced his demonetisation drive. The exercise put 86 per cent of cash by value out of circulation with immediate effect, by making Rs 500 and Rs 1,000 notes invalid. It dominated national conversation over the next two months, not helped by a botched execution, with almost daily rule changes and turmoil in banks across the country. As an economic decision, the government justified the decision through the October-December gross domestic product growth numbers,