New Delhi, 12 November (NNS): The prices of average quality cumin jumped by Rs 800 to Rs 30100/30800 per quintal. The arrivals reported to be limited in the famous producing markets along with Unjha. Both the farmers and the traders have hoarded their stock in the expectations of more profit. Apart from this, the festival and wedding season has been started in the country, due to this, its demand reported to be constant. The prices of cumin may increase during the near future.