Explanation:

- Option 1: Speaker of Lok Sabha does not have the power to form a new state. The Speaker's role is limited to presiding over Lok Sabha sessions.

- Option 2: President has the formal power to form a new state, but only after a bill is passed in Parliament. The President gives the final assent and initiates the process.

- Option 3: Prime Minister leads the government and can propose and support such decisions, but cannot by themselves form new states.

- Option 4: Supreme Court interprets laws but has no role in creating or altering states.