New Delhi, 28 July (NNS): Here, the prices of big cardamom Jhundiwali slipped by Rs 20 to Rs 960 per kg due to the weak buying at the higher level. Recently, the prices have gone down in the same ratio. The average auction prices jumped to Rs 650/1087 per kg in the auction which held on 27 July. Die to this, the market sentiments may affect. There is a possibility of break on downtrend in the spot big cardamom prices during the coming days.