New Delhi, 21 August (NNS): The prices of coriander badami fell down by Rs 100 to Rs 8400 per quintal owing to the weak buying even after the sluggish prices. Before this, the prices have gone down by Rs 200 per quintal. There are about 3000 bags of coriander reported to arrive in the Ramganj mandi of Rajasthan and the prices remained stable at the level of the previous day. The active contract improved by Rs 6 or 0.08 percent to Rs 7368 per quintal because of the nominal speculative buying. The spot coriander prices may likely to remain sluggish during the coming one or two days.