Firefighters work to extinguish fire in the building of India's National Museum of Natural History in New Delhi, India, April 26, 2016. [Photo/Agencies]

Javadekar has ordered a fire audit of all 34 museums across India.

The museum set up in 1972 in the city comes under ministry of Environment and Forests.

The National Museum of Natural History, as it is named, is one of two museums focusing on nature in India.

The museum showcased herpetological specimen, dinosaurs and mounted animals.

However, it was not immediately known how much was lost in the inferno.

The museum was popular with school children and biologists and witnessed around 1,000 visitors every day, reports said.

Police officials have registered a case and initiated investigations to ascertain the cause of fire.

On Sunday a similar fire broke out in a multi-storied building in city.

Chances of fire in India cities are usually high as people usually ignore safety standards vis-a-vis fire.