Pratyush Mani Tripathi, 40, was attacked Monday night near Badshahnagar, Senior Superintendent of Police (SSP) Kalanidhi Naithi said.
Tripathi was rushed to trauma centre of King George's Medical University where he was declared brought dead.
An FIR was registered in the matter and a probe underway, the SSP said.
The chief minister has also directed the police to take stringent action against the accused persons, he said.
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