Answer : 3. "New Delhi"
Explanation :

On behalf of 140 crore Indians, I extend a hearty welcome to all of you at the G-20 Parliamentary Speakers Summit. This summit, in a way, is a Mahakumbh of different parliamentary practices from around the world. All of you delegates are experienced in the working style of different parliaments. Your coming to India with such rich democratic experiences is a great pleasure for all of us.