Thousands began assembling outside banks even before they opened after Prime Minister Narendra's Modi's surprise announcement on Tuesday aimed at curbing black money, corruption and terror financing. People jostled to get lower denominations or new currency notes as a sweeping cash crunch caused all round chaos and inconveniences to buy even simple daily essentials. At many places, people had to return disappointed because many banks ran out of cash just hours after opening for the day. But at some places, desperate people kept waiting outside the banks even after they closed for the day with the staff still inside.