New Delhi, 19 May (NNS): The prices of big cardamom Kainchicut reduced by Rs 30 to Rs 1500 per kg due to the weak buying from the stockists even after the sluggish prices. Recently, the prices have gone down by Rs 20 per kg. Its average auction price descended to Rs 1300/1689 per kg in the last auction which held on 13th May, due to this, the market sentiments may affect. There is no possibility of uptrend in the spot big cardamom prices during the near future.