New Delhi, 18 September (NNS): Here, the prices of cumin remained firm at Rs 20800 per quintal owing to the weak offtake at the higher prices. Recently, the prices have gone up by Rs 100 per quintal. There were around 13000/14000 bags of cumin reported to arrive in Unjha and the prices reduced by Rs 70/80 per 20 kg. The active contract prices gained by Rs 95 or 0.50 percent to Rs 19275 per quintal due to the improved speculative buying. The spot cumin prices will not likely to decrease during the coming days.