March vaida maintained its upward march on the forward cotton seeds oilcake market on Monday in the process of trading, dealers said. The March vaida ended higher at Rs 908.7, it opened with sharp gain of Rs 2 at Rs 910.7 in the morning session, dealers said. The May contract closed at Rs 954.3 and it commenced with an improvement of 60 paisa at Rs 954.9 at the beginning session, they added.