Sindhu displayed an array of shots to beat Sun Yu in just 39 minutes

World Badminton Championships: PV Sindhu beats China's Sun Yu, enters semis

Sixth-seeded Sindhu trounced Indonesia's Dinar Dyah Ayustine 21-12 21-4, while Nehwal beat Germany's Fabienne Deprez 21-18 21-10

PV Sindhu, Saina Nehwal enter All England Open quarters

The world number 10 beat her Thai opponent 22-20, 22-20 in 46 minutes to win her 23rd career title

Saina produced an imperious form throughout the match to register an emphatic 21-17, 21-17 win over Brazil's Lohaynny Vicente

Padukone, who won the All England title in 1980, said the 26-year-old's game just needed a bit of tweaking

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