Statement (I) is incorrect: Article 324(1) of the Constitution of India vests the superintendence, direction, and control of the conduct of all elections to Parliament and to the Legislature of every State in the Election Commission of India, not State Election Commissions. Statement (II) is correct: Article 243-K of the Constitution of India explicitly states that the superintendence, direction, and control of the preparation of electoral rolls for, and the conduct of all elections to the Panchayats shall be vested in a State Election Commission. Statement (III) is correct: Article 243-ZA of the Constitution of India states that the superintendence, direction, and control of the preparation of electoral rolls for, and the conduct of all elections to the Municipalities shall be vested in the State Election Commission.