Heavy rains pounded Kerala this week disrupting normal life with more rainfall predicted till Wednesday, weather officials said.
People have taken to social media to show the extent of how the rain is affecting residents in the state.
In Alappuzha district's Chandriroor, an uprooted fell on top of the last bogey of the Thiruvananthapuram-bound Mangalore Express.
More than 3,000 people have been moved to relief camps.
All educational institutions in eight of the 14 districts in Kerala were closed on Monday and most of the university examinations were postponed.
The worst affected districts include Alappuzha, Idukki, Kozhikode, Wayanad, Kottayam, Kollam and Kochi.
The Met Department has issued an alert for the coastal districts, warning fishermen not to venture in the rough seas.
Alerts were also issued in the hilly areas warning of possible landslides.
Buses to Karnataka via Wayanad district have been suspended.
State Revenue Minister E. Chandrasekheran has directed his department and the district authorities to take stock of the estimated loss.
So far four deaths have been reported with another three reported missing.
- With inputs from IANS