Rescuers feared more bodies to be trapped inside the shanty-like structure in Rampura area that stood on bamboo poles on a water body with 28 people living in it, police said.
"Seven bodies were retrieved so far, four of them are members of a single family," a TV channel quoted rescuers as saying.
A salvage operation was underway since the house caved in this afternoon.
TV footage lower storey of the structure sucked in by the mud in the algae-filled water body.
