New Delhi, 06 April (NNS): The prices of big cardamom kaichicut gained by Rs 30 to Rs 1690 per kg owing to the strong buying from the stockists even after the higher prices. Recently, the prices have gone up by Rs 20 per kg. The average auction price reported to be around Rs 1375/1600 per kg in the last auction which held on 02nd April, due to this, the market sentiments may affect. There is no fear of downfall in the spot big cardamom prices during the near future.