The trading sentiment turned weak at futures trade after crude oil prices fell sharply in Asian markets following a key deal between world powers and Iran on its controversial nuclear programme, analysts said.
Meanwhile, Brent North Sea crude, the European benchmark, for January delivery fell $2.48, or 2.23%, in early Asian trade to $108.57.
New York's main contract, West Texas Intermediate (WTI) for January, was down 84 cents, or about one%, at $94 in mid-morning trade.