New Delhi, 14 July (NNS): The prices of cumin declined by Rs 100 to Rs 21500 per quintal because of the sluggish buying from the stockists even after the feeble prices. There were around 5000/7000 bags of cumin reported to arrive and the prices slipped by Rs 20/25 per 20 kg in Unjha. The active contract prices slipped by Rs 95 or 0.48 percent to Rs 19500 per quintal because of the weak speculative buying, due to this, the market sentiments may affect. The spot coriander prices will likely to move in the limited area during the near future.