New Delhi, 01 January (NNS): The prices of the big cardamom rose by Rs 70 to Rs 1280 per kg due to the strong buying from the stockists. Before this, the prices have gone down by Rs 1320 per kg. It’s average auction price went up to Rs 1025/1625 per kilogram in the last auction which held on 28 December. There is no possibility of downtrend in the prices during the near future.