New Delhi, 27 April (NNS): The prices of big cardamom kainchicut eased by Rs 30 to Rs 1630 per kg owing to the weak buying from the stockists at the higher level. Recently, the prices have gone down by Rs 10 per kg. The average auction price rose to Rs 1375/1712 per kg in the last auction which held on 23rd April. There is no possibility of uptrend in the prices during the coming days.