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The race quickly settled into a pattern, with all drivers able to go for a single pit-stop strategy on the very smooth Buddh surface.

Sauber’s Sergio Perez retired on lap 19 after his right rear clipped the front wing of Daniel Ricciardo’s Toro Rosso.

Webber was running in second, within 5.4 seconds of Vettel after lap 21 when his KERS started to malfunction, allowing the German to almost double that advantage over the next four laps, and from there the result was never in doubt.