Marketmen said more arrivals from growing regions amid lack of buying support for oil mills in spot markets denoted the downturn in mustard seed futures prices.
At the National Commodity and Derivatives Exchange platform, mustard seed delivery for May moved down by Rs 46, or 1.10 per cent, to Rs 4,133 per quintal, clocking an open interest of 7,280 lots.
In a similar way, the delivery for April receded by Rs 45, or 1.09 per cent, to Rs 4,090 per quintal, in a business turnover of 32,450 open lots.