Step 1: Understand the definition of "Factory" in the Act.
Section 2(m) of the Factories Act, 1948, defines what constitutes a factory.
The definition depends on whether the manufacturing process uses power.
Step 2: Identify the criteria based on the use of power.
The Act provides two separate criteria:
With the aid of power: A premises qualifies as a factory if ten or more workers are employed and a manufacturing process is carried on with the aid of power.
Without the aid of power: A premises qualifies as a factory if twenty or more workers are employed and a manufacturing process is carried on without the aid of power.
Step 3: Apply the correct criterion from the question.
The question specifically asks about a factory where the process is being carried on "with the aid of power.
" According to the Act, the minimum number of workers required in this case is 10.