Gujarat has been hit hard by continuous rain for the fourth straight day, bringing the total fatalities to 35 since Monday, some drowning and others hit by falling trees.
The weather department warned more heavy rain is expected on Thursday in the western coastal state.
Relief and rescue operations are ongoing. Prime Minister Narendra Modi contacted Gujarat Chief Minister Bhupendra Patel to assess the situation and ensure central support, The Indian Express reports.
Rivers have burst their banks and more than 30,000 people fled their homes. Some 1,856 people were rescued by disaster and army officials deployed for relief operations, AFP reports.
According to the state government, over 41,000 people have been relocated, and more than 3,000 have been rescued during this monsoon.
Electricity connections were badly affected, with some 1,000 villages grappling without power.
Images and video released by disaster officials showed them using inflatable boats and tyres to rescue people stranded by surging waters.
The India Meteorological Department (IMD) has issued a red alert across the state.
Rains cause widespread destruction every year, but experts say climate change is shifting weather patterns and increasing the number of extreme weather events.
The northeastern Indian state of Tripura was hit by floods and landslides last week, with more than 30 people killed.
Thousands evacuated as cyclone nears India, Pakistan
Heavy rains have battered coastal regions along the Arabian Sea in both India and Pakistan, forcing thousands from their homes. Authorities predict a cyclonic storm could form by Friday.
Since Sunday, more than 18,000 people have been evacuated from coastal cities in Gujarat, according to disaster management officials.
IMD has reported that a deep depression off Gujarat is likely to strengthen into a cyclonic storm by Friday. However, the storm is expected to move away from the Indian coast in the coming days.
In Pakistan, the weather department has advised fishermen to stay out of the sea until Saturday due to adverse conditions. Rainfall has triggered flash floods in Karachi, causing power outages, and authorities have warned of potential flash floods in two districts of Sindh, a province still recovering from the devastating floods of 2022.
