The defending champion came seventh, one second behind stage winner Michael Matthews of Australia as Aru, who started the day with the yellow jersey on his shoulders, lost 25 seconds to the Briton in the final effort, a 600-metre climb at an average gradient of 9.6 per cent.
Rediff.com gives you a flashback of the beautiful moments from the Tour de France this year.
Disgraced cyclist Lance Armstrong made a low key return to the Tour de France on Thursday when the American cancer survivor set off on a charity ride that follows the route of this year's race.
The best action from the Tour de France
British journeyman Stephen Cummings earned South African team MTN-Qhubeka a landmark victory on Mandela Day when he spoiled a French party to take a surprise win in the 14th stage of the Tour de France on Saturday.
Former cycling champion Lance Armstrong on Thursday agreed to pay $5 million to settle a federal suit claiming he defrauded his sponsor, the U.S. Postal Service, by using performance-enhancing drugs, his attorney and federal officials said.
Chris Froome remains in contention for a fourth Tour de France title after Team Sky put the pressure on their rivals with a perfectly executed plan in Friday's 13th stage, won on Bastille Day by France's Warren Barguil.