The blaze was reported from the fourth floor of the Oberon Mall at nearby Edapally, which was brought under control by the Fire and Rescue Services personnel, they said.
The mall also houses a multiplex where a show was on.
"The blaze has been controlled and people in the mall and multiplex have been safely evacuated," Kochi police Commissioner M P Dineshan told reporters.
There is lot of smoke inside the structure and glass panes were broken to release the fumes, he said, adding, that the cause of the fire would be probed.
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