At the Multi Commodity Exchange, aluminium for delivery in April declined by 70 paise, or 0.56 per cent, to Rs 123.65 per kg, in a business turnover of 5,389 lots.
Similarly, the metal for delivery in May shed 50 paise, or 0.40 per cent, to Rs 124.20 per kg in 611 lots.
Analysts said trimming of positions by participants on the back of weak demand from consuming industries in the spot market, mainly influenced aluminium prices at futures trade.