Local TV station NDTV reports that the British tourist jumped after a man forced his way into her room on the first floor.
She was reportedly taken to hospital with head injuries and fractures to both her legs.
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The singer ended speculation over who would perform by saying "the rumors are true" to her 63 million Twitter followers on Friday morning.
There will be lighter winds for all of us than yesterday, although it will still feel cool.
Senior fashion analyst at Mintel Tamara Sender said: "For the first time ever sales of trainers have overtaken high heels."