The incident took place yesterday when Jamadhan Tripura (32) was sleeping with his family in a hut at the foothills of a hillock and suddenly heard the sound of a landslide, after which he raised an alarm and went out with one of his daughters, they said.
Jamadhan's wife, Ritamala (25) was going out with her four-year-old son and daughter Panthai (2) when big chunks of debris fall on them and they died instantly, police said.
South Tripura district administration paid an ex-gratia of Rs 10,000 to the bereaved family.