Explanation:

- Option 1: Nitin Gadkari - He is the Minister of Road Transport and Highways in India. While influential, he did not address the World Congress of Accountants in 2022.

- Option 2: Ashwini Vaishnaw - Known as the Minister of Railways, Communications, and Electronics & Information Technology. He also did not address this event.

- Option 3: Smriti Irani - She holds the portfolio of Minister of Women and Child Development. She wasn't the speaker at this Congress.

- Option 4: Piyush Goyal - He is the Minister of Commerce and Industry, and he did address the 21st World Congress of Accountants in Mumbai on November 20, 2022.

- Option 5: Narendra Modi - Prime Minister of India. Though he often addresses international events, he wasn’t the speaker in this instance.