A total of 4,225 marooned people have been rescued so far in Karnataka's flood-hit Kodagu district even as incessant rains continued to hamper relief work, said an official on Sunday.

Prime Minister Narendra Modi on Sunday spoke to Karnataka Chief Minister H.D. Kumaraswamy about the flood situation in the state and assured him that the central government would extend all possible help.

About 3,500 marooned people were rescued in Karnataka's worst flood-hit Kodagu district even as incessant rains hampered relief work, the government said on Sunday.

Karnataka Chief Minister H.D. Kumaraswamy on Saturday visited the flood-hit Kodagu district in the southern state, where hundreds are marooned in villages and towns due to heavy rains.

Heavy rain leading to landslides and flooding continued to lash Karnataka's Kodagu district, Chief Minister H.D. Kumaraswamy said on Saturday.

The Odisha government on Friday asked the district collectors to conduct a survey to assess the damage to properties in the rain-affected areas of the state.

With heavy rains upto 25 cm lashing coastal and south interior districts of Karnataka, the state is working to shift people stranded in flood-hit regions, an official statement said on Thursday.

With rains still pouring down heavily leading to flooding across Kerala, 12 fresh deaths were reported on Thursday, taking the toll to 79, since August 8. More rains were forecast till Saturday.

An incessant downpour battered Kerala again on Wednesday, resulting in 28 more deaths and more destruction and forcing authorities to issue a red alert across the southern state.

Two seers were found murdered and another seriously injured in a temple in Auraiyya district of Uttar Pradesh on Wednesday, triggering protests, arson and tension in the area.