Binani Industries Ltd is an Indian business group based in Mumbai. It is a 143-year old business conglomerate and belongs to the legendary Braj Binani Group. The business portfolio of Binani Industries includes sectors like cement, zinc, glass-fiber, and downstream composite products. Using only the above description and what you know about the world, "The context does not state which industrial sectors are the most profitable. cement, zinc, glass-fiber, and downstream composite products could be the most profitable but also they may not be.

" is definitely correct, incorrect, or inconclusive? 