Copper for February declined by Rs 1.15, or 0.25%, to Rs 450.35 per kg in 3,568 lots at the Multi Commodity Exchange today.
The April contract fell by Rs 1.05, or 0.23% to Rs 454.40 per kg in 205 lots.
Analysts said weak global trend after the Federal Reserve signalled a halt to asset purchases aimed to spur US economic growth influenced the copper futures.
Besides, subdued domestic demand also put pressure on the copper futures here.
Meanwhile, copper for three months fell 1% to $ 8,085 a metric tonne on the London Metal Exchange.