Which of the following industries produces raw materials for other industries?

Basic industries

The correct answer is Option 3: Basic industries

The industry whose products are used to make other goods by using them as raw materials are basic industries. Example: Iron and steel industry → provides steel for making cars, machines, buildings, etc.

The others:

• Cottage industries ➔ Small, home-based, handmade products.

• Small-scale industries ➔ Manufacture finished goods in small quantities.

• Footloose industries ➔ Not tied to any specific location; they can move easily (like software companies).