The incident took place when the employees were filling diesel in a tanker and fire engulfed it resulting in injuries to six employees, Shapura Police Station's sub- inspector, Raghushankar Upadhyaya said.
The fire fighters immediately brought the blaze under control, he said.
The injured were admitted to government medical college here and their condition is reported to be out of danger, the official said.
The cause of the fire was not yet known and depot management has started a probe in this regard, he added.
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