Delays in the construction of Perth-based copper producer Aditya Birla Minerals Ltd's underground crusher and conveyor project have caused the Indian company's Australian arm to forecast a break-even or marginal loss for this financial year.

Delays in the construction of Perth-based copper producer Aditya Birla Minerals Ltd's underground crusher and conveyor project have caused the Indian company's Australian arm to forecast a break-even or marginal loss for this financial year.