Castor seed prices drifted Rs 86 lower to Rs 4,261 per quintal in futures trade 
due to cutting down of bets by speculators, tracking a subdued trend at the physical markets.
At the National Commodity and Derivative Exchange, castor seed for delivery in February fell Rs 86, or 1.98 per cent, to Rs 4,261 per quintal with an open interest of 50,940 lots.The delivery for January contracts also declined Rs 76, or 1.77 per cent, to Rs 4,215 per quintal, with an open interest of 27,470 lots.