The children's mother and their infant brother were injured in the fire.
"Six persons lived in the clothes godown. Six victims were charred to death in the fire while a woman along with her infant son managed to escape," A P Singh, Chief Fire Officer (CFO), Ghaziabad, said.
Singh said the fire department received a call at 12.35 AM. After a few hours, fire was completely doused.
According to initial investigations, the fire might have broken out when the victims were making food inside the godown.
Police said that Sattan is grandfather of three children who lived in the godown.
