The mishap occurred when the concreting work for the roofing of the structure was progressing, police said, adding, the injuries were not serious.
Of theinjured, three were admitted to the Medical College Hospital at Thiruvananthapuram and the remaining in hospitals in Kollam district.
All those persons trapped under the debris were rescued, police said.
Puttingal Devi temple came into news in April 2016 after more than 100 people lost their life during a firework display at the temple held as part of festival.
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