New Delhi, 22 August (NNS): The prices of big cardamom Kainchicut softened by Rs 10 to Rs 1540 per kg owing to the improved sale even after the higher prices. Recently, the prices have gone up by Rs 20/30 per kg. The average auction price reported to be at Rs 1275/1712.50 per kg in the last auction which held during the previous day, due to this, the market sentiments may affect. There is no fear of uptrend in the spot big cardamom prices during the coming one or two days.