World Trade Organization (WTO) Director General Ngozi Okonjo-Iweala received an autograph of Prime Minister Narendra Modi on a copy of 'Modi@20: Dreams Meet Delivery' during the G20 Summit. A video showed the PM signing the book, which is based on him. S Jaishankar, Sudha Murthy, Amit Shah, Anupam Kher, Amish Tripathi, Sadhguru and other dignitaries have penned the book.