Step 1: Definition.
According to the Companies Act, a Public Limited Company is a type of company that can invite the public to subscribe to its shares and is required to follow specific incorporation rules.
Step 2: Rule.
For incorporation, the law mandates that a Public Limited Company must have a minimum of 7 members (shareholders). This is the essential requirement for obtaining the Certificate of Incorporation.
Step 3: Conclusion.
Hence, the minimum number of members required to apply for incorporation of a Public Limited Company is 7. Therefore, the correct answer is option (A).