New Delhi, 29 October (NNS): The prices of big cardamom Kainchicut remained firm at Rs 1670 per kg due to the sluggish offtake even after the feeble prices. Recently, the prices have gone down by Rs 10 per kg. The average auction price reported to be at Rs 1250/1887 per kg in the last auction which held on 16th October, due to this, the market sentiments may affect. There is no possibility of more uptrend in the spot big cardamom prices during the coming one or two days.