Explanation:

- Option 1: Arun Shourie

- An accomplished author and journalist.

- Known for his work in politics and economy.

- Not related to "The Great Indian Novel."

- Option 2: Shashi Tharoor

- Correct Answer

- An Indian politician, writer, and diplomat.

- Authored "The Great Indian Novel," a satirical work.

- Option 3: Kiran Bedi

- A former Indian Police Service officer.

- Not known for fictional writings like "The Great Indian Novel."

- Option 4: K Natwar Singh

- A former diplomat and politician.

- Has written books, but not "The Great Indian Novel."