Southwest region of Madhya Pradesh experienced heavy rainfall on Wednesday, raising the death toll in rain-related incidents in the state to 18 with three more deaths, official sources said.
Though water level in major rivers receded slightly, several villages were still cut-off as roads and bridges were inundated, they said.
Two children were killed while their parents were injured in Ratlam in wall collapse on Tuesday, police said adding the injured were rushed to the district hospital.
A person was swept away in Kanthal River in Bamania Khedi village of Shajapur district, they added.
Earlier, reports were received of 15 persons being swept away by the swirling waters in Khargone, Burhanpur, Barwani, Ratlam and Khandwa districts, in last three days.
Low-lying areas were inundated and people were shifted to 44 relief camps, set up in different districts, sources said adding efforts were on to trace the missing persons.
Mandsaur received maximum rainfall of nine cm, while Gwalior and Guna recorded eight cm each since Tuesday, Meteorological department sources said.
Water levels in Narmada River at Khalghat and Mandla were way below the danger mark, sources said adding the level in Hoshangabad was 936 metres and Bargi dam was 418 metres.
The authorities were monitoring the relief operations and ensure preparedness to deal with any eventuality, sources said.