On the outskirts of Delhi, a massive fire broke out at a plastic granules factory in the Bhorgarh area, said a fire department official.According to the officials, no casualty was reported in the fire incident.To douse the massive fire, nearly 15 fire tenders were rushed to the spot immediately after they were informed about it, said officials, adding that a cooling operation was underway.Initially, it appears that a short circuit caused the fire, however, the exact cause will be ascertained after a probe, the official said.As per the Delhi Fire Services (DSF), the fire broke out on early Monday at 6 am.