A photo shows the massive fire that engulfed the set of Rupali Ganguly starrer 'Anupamaa' at 5 am in Film City, Mumbai. Alleging negligence, All Indian Cine Workers Association (AICWA) sought FIR against producers, television channel and Film City Managing Director. "Investigation must also explore whether...fire was deliberately set...in order to illegitimately claim insurance," it said.