Police found an Aadhaar card in his pocket, which identified him as Hardip.
He had injuries on his palm, elbow and other parts of his body, police said.
CCTV footage showed that Hardip had entered the mall alone, said Akhilesh Tripathi, the in-charge of Knowledge Park police station.
He said the body has been sent for post-mortem.
Hardip was living with his relatives in Surajpur, the official added.
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