New Delhi, 18 September (NNS): During the last week, the prices of big cardamom jhundiwali gained by Rs.15 to Rs.1035 per kilogram because of the increased buying even after the higher level. Before this, the prices have gone up in the same proportion. Its average auction price rose to Rs.825/1250 per kilogram in the last auction which held on 14th September. Due to this, the market sentiments may affect. There is no fear of downtrend in the cardamom prices during the coming days.