New Delhi, 30 September (NNS): Despite the recent rise,  thesales of big cardamom have shown some improvement. As a result, the prices of big cardamom kainchicutrose by Rs  20 to Rs 1490 per kg. It had recently gained Rs 20–30. In the latest auction held on September 24, the average auction price reported to be around Rs 1200/1375 per kg, due to this, the market sentiments may affect. No significant rise in spot big cardamom prices is expected over the next one to two days.