The incident occurred around 6 AM when the girl, a ninth standard student, went atop the building for a walk but accidentally fell down, they said.
According to her parents, their daughter used to go to the terrace of the building regularly for morning walk, Alwal Police Station Inspector V Srikanth Goud said.
The girl was shifted to a nearby hospital after she fell on the ground but she died undergoing treatment, he said.
The girl's parents have filed a complaint but have not suspected any foul play.
A case under section 174 CrPC was registered, police said.
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