Here is an interesting account of How Sindhu, the Silver medalist in Rio is moulded and shaped by Gopichand, the Guide ,Mentor and Philosopher of Sindhu
Gopichand who arrives at 4 AM every morning usually Practices with his Senior Students, who have been training with him for years.
During the training Sessions with Sindhu, Gopichand was well aware that he was training a potential Medal winner in Rio Olympics. For more interesting facts
http://www.thebetterindia.com/65412/gopichand-p-v-sindhu-rio-olympics-badminton/
