Residents cross flood waters in a boat in Morigaon district of Assam on July 23, 2016. Morigaon in lower Assam with nearly 3.5 lakh people hit, is the worst-affected followed by Darrang (about 1.4 lakh) and Goalpara (1.38 lakh). Photo: Ritu Raj Konwar
A rhino and her baby wade through flood waters in the Pobitora Wildlife Sanctuary in Morigaon district on July 23, 2016. Photo: Ritu Raj Konwar
In this July 23, 2016 picture, cows try to cross flood waters in Morigaon district of Assam. Hundreds of people with their cattle and other livestock are forced to leave their homes due to the floods. Photo: Ritu Raj Konwar
A man is trying to hold his bicycle as he wades through the strong currents of flood water in Morigaon, on July 27, 2016. The National Disaster Response Force and State rescue and relief teams evacuated people from the danger zones and moved them to camps. Photo: Ritu Raj Konwar
In this July 28, 2016 photo a boat carrying flood relief materials moves through river Brahmaputra in Majuli, east of Guwahati. Authorities are running 463 relief camps and distribution centres, where almost 1.5 lakh people are sheltered. Photo: AP
Villagers install a hand pump for drinking water in front of their submerged houses in Morigaon on July 27, 2016. Union Home Minister Rajnath Singh conducted an aerial survey of the flood-hit areas of the State, on July 30, 2016. Photo: Ritu Raj Konwar
A forest guard looks at the water level from a camp in Pobitora Wildlife Sanctuary in Morigaon district on July 28, 2016. Photo: Ritu Raj Konwar
In this July 28, 2016 picture, ducks take shelter on the rooftop of a submerged house in Morigaon. A Morigaon resident told “The Hindu” that her entire village, on the edge of a river, had been washed away. Photo: Ritu Raj Konwar
A rhino calf is trapped in a drain at the Kaziranga National Park on July 31, 2016. Panjit Basumati, who works with the Wildlife Trust of India in Kaziranga, pointed out that hundreds of animals, including baby rhinos, have been rescued. Photo: PTI
A boy eats at a makeshift camp in the flood-affected Morigaon district of Assam on July 29, 2016. Photo: Ritu Raj Konwar
Flood-affected residents transport livestock on a boat in Morigaon on July 31, 2016. Witnesses said it’s not only villages but entire subdivisions are disappearing into the river. Photo: AP
Children move past submerged huts on a banana raft in Morigaon on July 31, 2016. Educational institutions, which now serve as relief camps, remain closed. Photo: AP