Explanation:

- QIP stands for Qualified Institutional Placement.

- It is a capital-raising tool primarily used by listed companies in India.

- The process involves selling equity shares or convertible securities to institutional investors.

- Option 4: Institutional

- This is the correct answer. In QIP, "I" stands for "Institutional."

- Option 1: Investment

- This is incorrect; the main focus is on institutional entities.

- Option 2: Integrated

- This option is unrelated to the QIP context.

- Option 3: Introduction

- This does not align with the QIP framework.

- Option 5: None of the above

- This is not applicable as Option 4 is correct.