Over a dozen of fire tenders were rushed to the spot when it was reported by the security room at the plant, FSO of Gurgaon Fire Department I S Kashyap said.
It took around three hours to douse the fire, he said.
There has been no reports of casualty but the entire plant is gutted, he said, adding investigation is underway to ascertain the cause of fire.
The company, "Subros" manufactures electronic goods and over 200 employees were inside the plant when the fire was reported at around 2 PM.