New Delhi, 27 September (NNS): Here, coriander Badami prices fell down by Rs 100 to Rs 8100 per quintal due to the weak sale even after the sluggish prices. Recently, the prices have gone down by Rs 200 per quintal. There are about 6000 bags of coriander reported to arrive in Ramganj Mandi and the prices went down by Rs 100/200 per quintal. The active contract went down by Rs 84 or Rs 1.21 percent to Rs 6878 per quintal owing to the weak speculative buying. There is no possibility of downtrend in the prices during the coming days.