New Delhi, 18 November (NNS): The prices of dry ginger remained firm at Rs 29500 per quintal owing to the sluggish sale even after the higher prices. Recently, the prices have gone up by Rs 500 per quintal. The prices of ginger have been ruling at the higher level and its prices will remain strong in the famous producing areas, due to this, the market sentiments may affect. There is a possibility of profit taking selling from the stockists in the spot dry ginger prices during the coming one or two days.