New Delhi, 19 November (NNS): The prices of big cardamom Kainchicut slipped by Rs 10 to Rs 1690 per kg owing to the weak buying from the stockists even after the uptrend in the prices during the previous day. Recently, the prices have gone up by Rs 50 per kg. The average auction price reported to be at Rs 1450/1775 per kg in the last auction which held on 13th November. There is no possibility of downfall in the spot big cardamom prices during the coming one or two days.