New Delhi, 18 December (NNS): The prices of the big cardamom gained by Rs 20 to RS 1250 per kg due to the strong buying from the stockists even after the higher prices. It’s average auction price went up to Rs 1000/1425 per kilogram in the last auction which held on 14 December, due to this reason, the market sentiments may affect. There is no fear of downtrend in the prices during the near future.