New Delhi, 24 April (NNS): The prices of big cardamom kainchicut remained at Rs 1660 per kg owing to the weak offtake even after the downfall in the prices. Recently, the prices have gone down by Rs 10 per kg. The average auction price declined to Rs 1375/1712 per kg in the last auction which held during the previous day. There is no possibility of downfall in the prices during the coming days.