About 4,320 marooned people have been rescued till Monday morning in flood-hit Kodagu district in Karnataka as the rescue work entered its final stage in search of nearly 50 persons reportedly missing or stranded, an official said.

Even as hundreds remained stranded on hilltops in towns and villages in flood-hit Kodagu in Karnataka, an official said 4,320 marooned people have been rescued till Monday.

Four people have died due to the heavy rain lashing the coastal and south interior districts of Karnataka over the past few days, an official said on Thursday.

With the coastal and other districts of Karnataka receiving heavy rain a flood alert has been sounded in the southern state, officials said on Wednesday.

Torrential rains measured at 35 cm lashed Karnataka's coastal and south interior districts, forcing suspension of train and bus services and disrupting normal life, officials said on Wednesday.

Torrential rains up to 30 cm lashed Karnataka's coastal and south interior districts, causing landslides and disrupting normal life, officials said on Tuesday.

Heavy rains of up to 15 cm lashed coastal and southern Karnataka, causing rivers to overflow and creating a flood-like situation in villages and towns in the region, said an official on Saturday.