New Delhi, 30 March (NNS): The prices of cumin showed heavy downtrend due to the constant selling from the stockists and speculators, but in contract market, the market may decrease by Rs 2/3 per kh because of the constant speculative selling, due to this reason, in spot, the market may decrease to Rs 265/275 per kg. The prices of best selected stock also being quoted at Rs 325/350 per kg. The export seems sluggish in Unjha line because of the sluggish prices of cumin in the international markets, in these circumstances, it is profitable to sell the stock at the current level. Now, the market may show down trend after the improvement of Rs 5 per kg.