New Delhi, 22 December (NNS): The prices of big cardamom jhundiwali improved by Rs 5/10 to Rs 1195 per kg owing to the increased sale after the recent decrement. Recently, the prices have gone down by Rs 10/15 per kg. Its average auction prices went up to Rs 1000/1537 per kg in the last auction which held on 21 December. The market sentiments may affect owing to the weak production than the normal level. There is no fear of long downtrend in the prices during the near future.