New Delhi, 27 October (NNS): The prices of big cardamom Jhundiwali remained firm at Rs 1000 per kg owing to the feeble sale after the uptrend during the previous days. Recently, the prices have gone up by Rs 20/30 per kg. The average auction price rose to Rs 850/1225 per kg in the last auction which held during the previous day, due to this, the market sentiments may affect. There is no possibility of decrement in the prices during the near future.