An upward trend was witnessed on the forward cotton seeds oilcake market on Monday in the process of trading, dealers said. The March vaida ended at Rs 906.3, while it opened with a rise of 30 paisa at Rs 906.6 in the morning session, dealers said. The May contract closed at Rs 953.5 and it showed 40 paisa gain at Rs 953.9 at the beginning session at Rs 953.5, they added.