New Delhi, 31 July (NNS): The prices of big cardamom kainchicut eased by Rs 30 to Rs 1670 per kg because of the weak offtake after the downfall in the prices during the previous days. Recently, the prices have gone down by Rs 20 per kg. The average auction price reported to be at Rs 1350/1825 per kg in the last auction which held on 30th July, due to this, the market sentiments may affect. There is no possibility of downfall in the spot big cardamom prices during the coming days.