As the government's sudden move to ban old 500 and 1,000-rupee notes crosses the three-week mark, many view the first week of December as a crucial threshold for evaluating the success or failure of the scheme. With pay day on the brink, workers and entrepreneurs in the small and medium enterprises industry of Uttar Pradesh, whom NDTV spoke to, are gearing up to deal with any unintended impact of the cash-crunch.