A fire broke out in a paper card factory in Delhi's Naraina area on Thursday morning, Delhi Fire Service said.
29 fire tenders were rushed to the spot, a senior fire service officer said.
No causality was reported.
The cause of the fire is yet to be ascertained.
The fire has been raging and has spread to several top floors. According to the fire department, no casualty has been reported yet.
Amarjeet Singh, Manager of the factory , told ANI, "It was paper and greeting card factory by Archies. The fire took place in PBX board which later turned massive. The fire officials are at the spot and are trying to douse the flames."