Which among the following conditions are necessary for the issue of writ of quo warranto?
1. The office must be public and must be created by a Statute or by the Constitution itself.
2. The office must be a substantive one and not merely the function or employment of a servant at the will and during the pleasure of another.
3. There has been a contravention of the constitution or a Statutory Instrument, in appointing such person to that office.
Select the correct answer using the code given below: