Detailed Solution:
The correct answer is “Nozomi Okuhara”.
P.V. Sindhu beat Nozomi Okuhara of Japan to win the first-ever gold medal for India in women's singles badminton at the BWF World Championships held in Basel, Switzerland in 2019.
It was a historic moment for Indian badminton as Sindhu became the first Indian shuttler to win a gold medal at the World Championships. She defeated Okuhara in straight sets with a score of 21-7, 21-7 in the final match, showcasing her dominance and skill on the court.