Kerala Chief Minister Pinarayi Vijayan in a tweet said that more than 130,000 flood-hit houses had been cleaned, or nearly a third of those affected.
Dozens of people are missing and 1.2 million are sheltering in the camps, state officials said, as water receded and a huge clean-up gathered pace.
Italy is searching for answers after paying its respects to the dozens killed by a collapsed bridge in Genoa.
The state has been pounded by the worst monsoon rains in almost a century since August 8.
Hundreds of extra troops were deployed in the southern state, as the government issued a "red alert" over the region's worst floods in decades.
Authorities have opened the gates of 34 reservoirs as water reached dangerous levels.
The death toll from Greece's deadliest fire disaster rose to 96 after one more victim died in hospital, the fire brigade said early on Wednesday.
The shallow 6.9-magnitude quake on August 5 levelled tens of thousands of homes, mosques and businesses across Lombok.
The number was likely to rise further still as teams continue to search for victims beneath the rubble and ruins of buildings, national disaster management agency spokesman Sutopo Nugroho said.
The shallow 6.9-magnitude quake on Sunday levelled tens of thousands of homes, mosques and businesses across Lombok.
A 95-year-old woman injured in Greece's deadliest fire last month died early Monday, raising the death toll to 91 as another top official blamed for the disaster stepped down.
Greece's minister responsible for the police, Nikos Toskas, quit on Friday after scores died in wildfires near Athens last month, Prime Minister Alexis Tsipras' office said.