Marketmen said pick up in demand from consuming industries and restricted supply in physical markets mainly led to a rise in future prices here.
An increase in export demand too influenced trading sentiments to some extent, they added.
At the National Commodity and Derivatives Exchange counter, castorseed prices for first contract August month rose by Rs.33, or 0.81 per cent to Rs.4,100 per quintal, with an open interest of 1,95,970 lots.
Near September contract also gained by Rs.28, or 0.67 per cent to Rs.4,209 per quintal, having an open interest of 1,15,640 lots.