Traders said fall in demand from consuming industries and weak global cues mainly led to the decline in copper and nickel prices.
Meanwhile, copper for delivery in three months slipped 0.3 per cent to USD 5,833 a metric tonne on the London Metal Exchange.
In the national capital, copper mixed scrap and nickel (4x4) fell by Rs 2 each to Rs 408 and Rs 1,053-1,058 per kg, respectively.
Following are today's metal rates (in Rs per kg)
Lead ingot- Rs 101, Lead imported- Rs 102, Aluminium ingots- Rs 160, Aluminium sheet cutting- Rs 161, Aluminium wire scrap- Rs 163 and Aluminium utensils scrap- Rs 160.