The incident took place around 5 AM when the victim, identified as Yurthingla was alone at her residence.
"The two African men, identified as Balary and Ambose who were known to her husband knocked the door of her house and when she opened they door, the duo asked her for food," said a police official.
When the victim refused to give them any food, the duo whipped out a knife and threatened her. They then robbed her off Rs 10,000, three mobile phones, the official said.