To determine the volume of M15 concrete that can be produced from one cubic metre of Ordinary Portland Cement (OPC), we need to understand a few concepts about concrete mix design.

Concrete Mix Design:
M15 indicates a mix with a characteristic compressive strength of 15 MPa. The nominal mix proportion for M15 grade concrete is typically 1:2:4 (Cement:Sand:Coarse Aggregates).

Calculating the Yield:
When preparing concrete, one part of cement mixed with the appropriate amounts of sand and aggregate can expand to a volume greater than one cubic metre due to the addition of these aggregates and the water required for the hydration process.

Industry practices and empirical evidence suggest that one cubic metre of cement can produce approximately 4 to 5 cubic metres of concrete. This is because the voids filled by sand and coarse aggregates, and the presence of water result in increased total concrete volume.

Conclusion:
Given that the production details match with general norms in construction and industry standards, the correct answer is 4 to 5 cum of concrete yielded from one cubic metre of Ordinary Portland Cement when used to produce M15 concrete.