China also said it will continue to share the flood data with India.
Many parts of Cachar district's severely affected Silchar town are still waterlogged.
The teenager, identified as Miram Taron, was abducted by the PLA from Lungta Jor area under Siyungla area on Tuesday.
In the last 24 hours, eight people have died after drowning in flood waters -- two each in Barpeta and Karimganj districts, one each in Darrang, Hailakandi, Nalbari and Sonitpur districts and eight people are still missing.
Assam reeled under devastating floods caused by incessant rain, with Prime Minister Narendra Modi taking stock of the situation and Chief Minister Himanta Biswa Sarma visiting several relief camps sheltering affected people on Saturday, officials said.
The commander said the situation in the region has been stable and no major "changes or palpable shift of stance has been noted" even as the Indian and Chinese troops are engaged in a stand-off in Demchok and Depsang in eastern Ladakh.
The flood situation in Assam deteriorated on Thursday with one more person losing his life and nearly 7.18 lakh people in 27 districts remaining affected by the deluge, an official bulletin said.
In the two years since the PLA's intrusions into Eastern Ladakh, the Border Roads Organisation is sparing no effort to build and upgrade road highways from Tezpur to the McMahon Line.
'An earthquake of a slightly higher magnitude in the Western Himalayan region is going to be catastrophic -- not just because of the fragility of the region but because of how densely we have occupied it.'
Nearly 86 lakh people in the state's 32 districts have been affected by heavy rain and subsequent floods this year, bringing life to a screeching halt in many parts.
The 36 villages cover a 36.9 sq km area, while the 30 villages are spread over 18 sq km area, he said.
With the flood situation in Assam remaining critical on Monday and affecting a population of nearly 43 lakh in 33 of its 35 districts, Chief Minister Himanta Biswa Sarma directed air dropping of food and other relief materials in areas where there is heavy inundation, officials said.
With the fresh fatalities, the total number of people losing their lives in this year's flood and landslides across the state has gone up to 42.
"Those who ruled for decades since Independence believed Dispur was too distant from Delhi. 'Dilli ab door nahi aapke darwaaze par hai' (Delhi is not far now, it stands at your doorstep," he told a massive gathering.
China violates agreement, didn't share Brahmaputra hydrological data.
The Chinese numbers had surged significantly during the summer season as they brought in a large number of troops for summer training. They have now gone back to their rear locations.
The Indian and Chinese premiers have an unprecedented historical opportunity to create such a mechanism for sharing international rivers. It will not only help the two countries but it has the potential to create a remarkable example for the rest of the world, says Himashu Thakkar.
Neeraj Das alias 'Kola Lora', the prime accused in the AASU leader lynching case, died on Wednesday after being hit by a police vehicle "as he was trying to escape police custody", a senior officer said.
People spent a sleepless night as a series of aftershocks shook Assam after a strong 6.4 magnitude earthquake caused extensive damage to buildings.
"If it is said Indians are argumentative, I will agree. But if it is said Indians are intolerant, I refuse to agree," said the president at the inaugural ceremony of the 'Namami Brahmaputra' festival in Guwahati.
Larsen & Toubro (L&T) on Wednesday said it has secured a large contract to construct the country's longest road bridge across river Brahmaputra connecting Dhubri in Assam to Phulbari in Meghalaya. The contract was bagged by the company's subsidiary L&T Construction. As per the company, a large contract is worth Rs 2,500-5,000 crore.
The Philippines, confronted with Chinese bullying in the South China Sea, have become the first foreign military to order the shore-based, anti-ship cruise missile.
Xi arrived at the Nyingchi Mainling Airport on Wednesday and was warmly welcomed by local people and officials of various ethnic groups, Xinhua news agency reported.
The Bogibeel Bridge, which was a part of the Assam Accord and sanctioned in 1997-98, is likely to play a crucial role in defence movement along the India-China border in Arunachal Pradesh.
The Chinese authorities have been rapidly building defence infrastructure along the Line of Actual Control, indicating that they are preparing for a long period of tension with India, points out Jayadeva Ranade, the former senior RA&W officer and China expert.
The army, SDRF and NDRF are assisting the district administrations in evacuating the affected population to safer places, the authority said.
Sarma, after being elected unanimously as the leader of the National Democratic Alliance legislature party, said in his address that he was grateful to Prime Minister Narendra Modi, Union Home Minister Amit Shah, Bharatiya Janata Party president J P Nadda, Sonowal and all other party leaders for giving him an opportunity to serve the people of the state, and pledged to carry out his duties with "dedication and honesty".
The total number of people killed in flooding and landslides in the state this year has gone up to 76. While 50 people were killed in inundation, 26 died due to landslides.
Sonowal, a law graduate, is considered to be a rarity -- an honest politician who also worked to unite different communities with his oft-repeated lines 'Barak-Brahmaputra-plains-hills'.
The Siang is a dramatic river that flows through a beautiful land. Rafting on it is a rare pleasure the state offers tourists, says Ajai Shukla.
The rain-fed mighty Brahmaputra and its tributaries flowing above the danger level across Assam have hit nearly one lakh people inundating human habitations and farm land in ten districts with Dhemaji being the worst-hit.
China on Friday operationalised its first fully electrified bullet train in the remote Himalayan region of Tibet, connecting the provincial capital Lhasa and Nyingchi, a strategically located Tibetan border town close to Arunachal Pradesh.
The first wave of floods in Assam has claimed one life, affected nearly 68,000 people, submerged rhino habitats at Kaziranga and Pobitora and overrun vast tracks of human habitation and farm land.
The deluge, which had affected 2.5 lakh people in 11 districts on Wednesday, spread to six more districts on Thursday affecting 4.23 lakh people, it said.
Arunachal Pradesh and Assam have drawn the attention of the Centre for steps to neutralise the impact of three dams proposed to be built by China on river Tsangpho, known as Siang in Arunachal and Brahmaputra in Assam.
More than 100 BrahMos missiles are planned to be built in the next three years.
Forced to cross the Nanoi, a channel of the Brahmaputra, over 7,000 people uprooted from their homes and farms in Darrang district of Assam now use the stream's muddy water to drink and cook and defecate in the open as `Swachh Bharat' toilets built in their villages are now guarded by policemen who do not allow them to re-enter any part of the lands they have been thrown out of.
An alert has been sounded across Assam as cyclone 'Mahasen' is likely to hit the northeastern states on Thursday night, officials have said. All boats and ferry services on Brahmaputra have been closed for the next three days and fishermen have been directed not to venture out to the river.
Over one lakh people have been reeling under the impact of the third wave of floods in six districts of Assam as the rising water of the Brahmaputra river inundated vast areas of human habitation and cropland.
The water level of the Brahmaputra and its tributaries maintained a rising trend on Sunday with five districts of Assam reeling under the third wave of floods.