The December and January contracts drifted lower on the forward cottonseed oilcake market on Friday in process of trading, dealers said. The December contract that had ended at Rs 1313.20 commenced with a loss of 90 paisa in the early session at Rs 1312.30. The January vaida adopted the same path, which had closed at Rs 1200.00 opened the day with a decline of 20 paisa at Rs 1180.00, they said.