Which of the following statements regarding the Whip in the Parliament are correct?

1. The concept of the whip is Indian Parliamentary innovation.

2. It is used in parliamentary parlance often for floor management by political parties in the legislature.

3. The office of the whip is mentioned neither in the Constitution of India nor in the Rules of the House.

4. In the Presidential elections, whips cannot direct a Member of Parliament on whom to vote.

Select the correct answer using the code given below.