The Assam floods have affected over 17 lakh people in 24 districts. At least 45 people have been killed in the floods which refuses to abate.
Brahmaputra river bank bursts
The Brahmaputra river, which flows from China down to India and then through Bangladesh, has burst its banks after torrential monsoon rains, swamping more than 2,500 villages in Assam over the past two weeks.
Rhinos at Kaziranga National Park, Assam
Efforts are also underway to help the rhinos and other wildlife put in danger when flood waters swamped the Kaziranga National Park, a UNESCO world heritage site.
The water level in the Brahmaputra is expected to keep rising until the end of this week and should then stabilise, provided there is no more heavy rain, the Central Water Commission said.
Kaziranga National Park flooded
"More than 90 per cent of the Kaziranga National Park is under water," Assam Forest Minister Pramila Rani Brahma told Reuters.
The 430 sq km park is home to the world's largest number of the one-horned rhinoceros, with an estimated 2,500 out of a total population of some 3,000.
Karimganj district hit
PM Modi has expressed his anguish over the human suffering, with thousands of people seeking shelter in more than 300 relief camps. Authorities have declared a "maximum health alert" to stop the spread of disease.
Morigaon district, Assam
Assam CM Sarwanand Sonowal visited flood affected Kaziranga National Park.
The chief minister also visited flood relief camp set up at Bokakhat and interacted with camp inmates.
Assam in trouble
Animals are seeking refuge on high ground, including hills outside the park, she said.
But when the animals move to smaller areas of higher ground to escape the floods they become more vulnerable to poachers.