At least 55 people have died in the past few days because of severe flooding in central Nepal. Thirty-six others are said to missing. Massive landslides triggered by heavy rainfall also added to the crisis.
More than 21 districts of the country have been badly hit.
Nearly 700 tourists, including 200 Indians, are said to be stranded in Chitwan Valley, one of the more popular tourist posts.
Nepalese Army is in action and has rescued more than 1,000 flood-hit people from across the country.
For the past three days, heavy rains and flooding have led to several Himalayan rivers crossing their danger mark in several parts of the country.
River Rapti, which flows through a large part of Nepal towards the southern plains, flooded the Chitwan Valley. The valley is also home to a popular national park.
More than 100 hotels have been partially submerged in Chitwan and over 1,000 houses have been inundated in the Parsa district, further south, The Himalayan Times reported.
Suman Ghimire, chairman of the Regional Hotel Association, trapped tourists in Chitwan were being rescued with the help of elephants and boats.
Authorities said that at least 49 people died due to the flooding and landslides until Sunday afternoon. And six members of a family were killed in a landslide in Makawanpur district of central Nepal.
Nearly 500 people were rescued from Sunsari district and 270 from Jhapa district. Three hundred students trapped in Jagatpur area of Chitwan were rescued by a MI-17 helicopter disptached from Kathmandu, Nepal Army headquarters said.
Chitwan’s Chief District Officer Narayan Prasad Bhatta said four rubber rafts have been sought from the neighbouring Devghat administration to carry out rescue operations.
The meteorological department forecast says central and western plains were likely to receive more rainfall over the next couple of days.
Speculation of an epidemic breaking out, is also doing the rounds as six million people have been affected.
Transportation along the East West Highway, one of the longest in the Himalayan country, has been suspended after a pillar at a connecting bridge was washed away in the flooding.
On Monday, the Nepal government Cabinet held an emergency meeting and Prime Minister Sher Bahadur Deuba ordered district officials to intensify rescue operations.
(With inputs from agencies)