Indian Polity · Polity

With reference to the institution of the Whip in the Indian parliamentary system, consider the following statements: I. The office of the Whip finds explicit mention in the Constitution of India. II. The Minister of Parliamentary Affairs customarily functions as the Chief Whip of the ruling party in the Lok Sabha. III. Disobedience of a direction issued by a party whip may attract disqualification under the Tenth Schedule of the Constitution. IV. A one-line whip is ordinarily issued on matters of highest political significance such as a motion of no-confidence. Which of the statements given above are correct?