Explanation:

- Option 1: Legislative power

- The President of India can issue ordinances under Article 123 of the Constitution.

- This is done when the Parliament is not in session.

- Ordinances have the same force as acts of Parliament.

- Correct Answer: Legislative power.

- Option 2: Executive power

- Involves implementing laws and running the administration.

- The President acts as the executive head but issuing ordinances is not an executive power.

- Option 3: Quasi-judicial power

- Relates to actions that affect rights but are not strictly administrative.

- Typically involves some adjudication-like functions, not relevant to ordinance issuance.

- Option 4: Judicial power

- Involves matters related to judging disputes and interpreting laws.

- Issuing ordinances does not involve these activities.