More than four years after a massive explosion and fire killing over 100 people during Puttingal temple festival in Kerala's Kollam district, the state crime branch on Friday filed a chargesheet against 59 accused, including 15 temple officials. More than 600 people were injured in the tragedy. "The chargesheet has been filed for murder, handling explosives very callously and without authorisation, destruction of public property. They have been booked under 11 sections", IG S Sreejith, the officer supervising the probe told NDTV.