Indian Prime Minister Narendra Modi has flown over some of the worst-hit areas of flooding in the southern state of Kerala that has killed 324 people, BBC reports.
Mr Modi has also met senior state officials to discuss measures to deal with what they say is the state's worst flooding in a century.
More than 200,000 people are homeless, with reports of hundreds stranded on rooftops awaiting aid.
Troops backed by military helicopters are involved in a huge rescue effort.
Weeks of rain triggered landslides and floods, with more forecast and a red alert in place. Strong winds are also predicted for Saturday and Sunday.
Across India close to 1,000 people have been killed in the current rainy season, which began in June, officials say.