The incident took place this morning when Pannu Mallah's wife Gyanwati was crossing Bhaghar Jheel near Chinpurwa village with her five children in the boat, which capsized, they said.
Gyanwati and her five children- Khushboo (10), Sonu (8), Priyanka (6), Anand (4) and Sipahilal (1 years) drowned in the incident.
Bodies of all of them were later fished out from the lake.
