Market players said heavy off-loading by speculators, driven by weak spot markets mainly registered the decline in prices in future trading.
At the National Commodity and Derivatives Exchange platform, castor seed delivery for May plummeted by Rs 115, or 2.58 per cent, to Rs 4,350 per quintal, with an open interest of 27,400 lots.
The delivery for June also corrected by Rs 113, or 2.49 per cent, to Rs 4,418 per quintal, in an open interest of 88,100 lots.
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