The four-day music festival which was held near Kesnand village concluded on December 31.
A fire brigade official said the incident took place when the stage erected for the event was being dismantled. Nobody was injured, he added.
"We received a call at around 12 noon and rushed two fire tenders to the spot. Fire was doused in two hours," said the official.
Plywood and some other material on the stage were gutted.
"It looks like it was caused by the welding work which was going on," he said.
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