New Delhi, 04 November (NNS): The prices of dry ginger remained firm at Rs 28500 per quintal owing to the sluggish sale even after the higher prices. Recently, the prices have gone up by Rs 500 per quintal. Both the arrivals and the prices held stable at the same level of the previous day in Kochi. There is no fear of profit taking selling in the spot dry ginger prices during the coming one or two days.