When was the Indian professional badminton player defeated by Carolina Marín in Olympics gold medal in women's singles at the 2016 Rio Olympics born? 
Carolina Marín:  She won her first Olympics gold medal in women's singles at the 2016 Rio Olympics after defeating P. V. Sindhu of India. P. V. Sindhu: Pusarla Venkata Sindhu (born 5 July 1995) is an Indian professional badminton player, who is currently world no 2 in the BWF World Ranking.
5 July 1995