The report by District Revenue Officer S Prasanna Ramasamy, who held the inquiry into the April 11 incident at Shamalapuram that triggered an outrage, was presented to District Collector S Jayanthi, officials said.
It would be forwarded to the Tamil Nadu Chief Secretary, they said.
Additional Deputy Superintendent of Police Pandiarajan was caught on camera slapping the woman protester during the agitation for closure of a state-owned liquor outlet, sparking outrage and condemnation.
Coimbatore Rural Superintendent of Police Ramya Bharati is conducting the police inquiry into the incident.
Amid the outrage over the police action, the state government announced the closure of the liquor outlet.
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