Castorseed prices gained by Rs 21 to Rs 3,759 per quintal following increased buying by traders.
At the National Commodity and Derivatives Exchange, the February contract rose by Rs 21, or 0.56% to Rs 3,759 per quintal, clocking an open interest of 90,820 lots.
The January contract also moved up by Rs 19, or 0.52% to Rs 3,660 per quintal, with an open interest of 70,970 lots.