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China begins building world's largest dam, fuelling fears in India

The Bald Eagle

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But sir, we shall withhold Pakistan's water 🤣🤣🤣
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Chinese authorities have begun constructing what will be the world's largest hydropower dam in Tibetan territory, in a project that has sparked concerns from India and Bangladesh.

Chinese Premier Li Qiang presided over a ceremony marking the start of construction on the Yarlung Tsangpo river on Saturday, according to local media.

The river flows through the Tibetan plateau. The project has attracted criticism for its potential impact on millions of Indians and Bangladeshis living downriver, as well as the surrounding environment and local Tibetans.

Beijing says the scheme, costing an estimated 1.2tn yuan ($167bn; £125bn), will prioritise ecological protection and boost local prosperity.

When completed, the project - also known as the Motuo Hydropower Station - will overtake the Three Gorges dam as the world's largest, and could generate three times more energy.

Experts and officials have flagged concerns that the new dam would empower China to control or divert the trans-border Yarlung Tsangpo, which flows south into India's Arunachal Pradesh and Assam states as well as Bangladesh, where it feeds into the Siang, Brahmaputra and Jamuna rivers.

A 2020 report published by the Lowy Institute, an Australian-based think tank, noted that "control over these rivers [in the Tibetan Plateau] effectively gives China a chokehold on India's economy".

In an interview with news agency PTI earlier this month, Arunachal Pradesh chief minister Pema Khandu expressed concern that the Siang and Brahmaputra could "dry up considerably" once the dam was completed.

He added that the dam was "going to cause an existential threat to our tribes and our livelihoods. It is quite serious because China could even use this as a sort of 'water bomb'".

"Suppose the dam is built and they suddenly release water, our entire Siang belt would be destroyed," he said. "In particular, the Adi tribe and similar groups... would see all their property, land, and especially human life, suffer devastating effects."

In January a spokesperson for India's ministry of external affairs said they had expressed concerns to China about the impact of mega-dams and had urged Beijing to "ensure the interests of downstream states" were not harmed. They had also emphasised the "need for transparency and consultation with downstream countries".

India plans to build a hydropower dam on the Siang river, which would act as a buffer against sudden water releases from China's dam and prevent flooding in their areas.

China's foreign ministry has previously responded to India, saying in 2020 that China has a "legitimate right" to dam the river and has considered downstream impacts.

Bangladesh also expressed concerns to China about the project, with officials in February sending a letter to Beijing requesting more information on the dam.

The Yarlung Tsangpo river courses through the Tibetan plateau
Chinese authorities have long eyed the hydropower potential of the dam's location in the Tibet Autonomous Region.

It's in a massive canyon that is said to be the world's deepest and longest on land, along a section where the Yarlung Tsangpo - Tibet's longest river - makes a sharp U-turn around the Namcha Barwa mountain.

In the process of making this turn - which has been termed "the Great Bend" - the river drops hundreds of metres in its elevation.

Earlier reports indicated that authorities planned to drill multiple 20km-long tunnels through the Namcha Barwa mountain, via which they would divert part of the river.

Over the weekend a Xinhua report on Li Qiang's visit said that engineers would conduct "straightening" work and "divert water through tunnels" to build five cascading power stations.

Xinhua also reported that the hydropower dam's electricity would be mainly transmitted out of the region to be used elsewhere, while accommodating for Tibet's needs.

China has been eyeing the steep valleys and mighty rivers in the rural west - where Tibetan territories are located - to build mega-dams and hydropower stations that can sustain the country's electricity-hungry eastern metropolises. President Xi Jinping has personally pushed for this in a policy called "xidiandongsong", or "sending western electricity eastwards".

The Chinese government and state media have presented these dams as a win-win solution that cuts pollution and generates clean energy while uplifting rural Tibetans.

But activists say the dams are the latest example of Beijing's exploitation of Tibetans and their land - and past protests have been crushed.

Last year, the Chinese government rounded up hundreds of Tibetans who had been protesting against another hydropower dam. It ended in arrests and beatings, with some people seriously injured, the BBC learned through sources and verified footage.

There are also environmental concerns over the flooding of Tibetan valleys renowned for their biodiversity, and the possible dangers of building dams in a region rife with earthquake fault lines.

CORRECTION 21 July 2025: An earlier version of this story incorrectly stated that the estimated cost of the dam was $1.67bn.

 
Totally unrelated .china would build the dam anyhow..we should also use as much of IWT water as needed by growing population and completely get out of the treaty which is unfair..only a stupid leader signs a treaty with a enemy country being an upper riparian state..since the treaty uses the term friendliness as a core mission...we should cite the countless terrorist attacks and completely revoke the treaty. If Paksitan stops terrorist attack..then in a spirit of goodwill we should share water without a treaty but based on mutual respect.

I don't mean it to devoid Pakistan of water but more out of need of water in India and also for a lower riparian state not to indulge in mindless violence for a lost cause.

Hope people of Pakistan will pressurize Pak army not to sponsor terrorists and there wouldn't be any water issue.
 
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Bangladesh have good relations with China. I think they can work something out. :dav

I don’t think china will send you tankers of water.. please see where the river flows to make “work something out” , please give us one solution you see after seeing how the water flows..unless Bangladesh doesn’t matter at all and you just want to see Assan or Bengal hurt.
 
Bangladesh have good relations with China. I think they can work something out. :dav
How? Water stopped for India means water stopped for Bangladesh. Flooding in India means eventual flooding in Bangladesh. Also India is building a dam to mitigate some of the effects but this is all in good spirits...China can and should build a dam and India should also take decisions in their self interest.
 
An evil regime destroying Muslims Uyghurs with active support from Pakistani Ummah...strangling their own population and commiting genocide in Tibet...destroying Tibet to send power to Beijing..quite par for the course from China...I don't know why PP posters are saying what about IWT...IWT is in abeyance and is totally unrelated to what China is doing...it is not as if China is saying without IWT we will not build the dam.
 
Did India issue any nuclear threat to China regarding this? Guess not. Powerful nations don’t lose their mind over these things. It’s funny however seeing Pakistanis and Bangladeshiz jumping up and down about this, the two most vulnerable nations amidst all this being caught up in the bullying games by the teacher upstream powers of the region.

Let’s get the facts straight. Over 90% of the Brahmaputra’s flow is generated within India itself from rainfall, tributaries, and Himalayan snowmelt in Arunachal and Assam. Only a small fraction, around 7% originates in Chinese-held Tibet. Tibet which is going to be a free nation in the near future anyway but that’s a separate discussion so we will thank the Chinese another day for that.

Even if China wanted to block or divert the river, the impact on India would be minimal, seasonal, and ultimately irrelevant in the long term. The river descends through the world’s deepest canyon in the Great Bend, plunging thousands of meters in elevation. Diverting that water across the Tibetan plateau would require tunneling through solid rock for hundreds of kilometers, across high-altitude terrain filled with seismic fault lines. It’s not just a political and engineering impossibility it’s a suicidal fantasy with no basis in feasibility.

Btw, India is building its own massive dam on the Siang to absorb and neutralize any Chinese attempt of flooding Indian states besides unlike our neighbour we are a proper military power which can carry out massive pin point precision strikes in such an event instead of giving hollow nuclear threats and getting repeatedly punched in the face. We are not Pakistan.

What’s actually happening here isn’t about water it’s about power, optics, and China’s desperation to control Tibet. This dam is just the latest chapter in Beijing’s colonial exploitation of Tibetan land and people. It isn’t about clean energy, it’s about feeding electricity to China’s east while displacing indigenous communities and bulldozing ecological goldmines. The “green energy” narrative is a lie wrapped in authoritarian brutality and built on the backs of crushed dissent.

You don’t get to threaten a nation that’s capable of breaking your jaw as demonstrated by us recently during Operation Sindoor albeit against a much smaller nation.

China doesn’t care about Pakistan or Bangladesh. To the CCP, they’re not allies — they’re tools. And once their usefulness expires, they’re discarded. Bangladesh in particular should be deeply alarmed. The Brahmaputra, or Jamuna as it’s known there, is its lifeline — powering agriculture, feeding the delta, and sustaining tens of millions. If China ever decides to release water from this dam for strategic reasons — whether to punish India or manage flood control upstream — Bangladesh will drown before China even blinks.

Yet instead of standing up for their own sovereignty, some Bangladeshis are clapping like spectators at a cockfight, not realizing the blood will be theirs.

As for Pakistan — cheering Chinese pressure on India is the ultimate act of self-humiliation. This is the same China that treats Pakistan as an economic vassal state, strings it along with predatory loans under CPEC, and sends shoddy hardware while stalling projects for years. And yet, some in Pakistan genuinely believe they’re in a “strategic partnership.” Newsflash: you’re a debt colony with nukes, not a power broker.

It’s one thing to be caught in great power games — quite another to cheer your own exploitation. The dam China is building isn’t just a wall against a river — it’s a wall between regional dignity and dependence. And Pakistanis and Bangladeshis applauding it today will be the ones crushed under its consequences tomorrow.

This isn’t about India vs. China. It’s about whether the region wakes up before it’s too late — or continues to applaud the rise of a bully, not realizing they’re standing in the crosshairs.
 
Totally unrelated .china would build the dam anyhow..we should also use as much of IWT water as needed by growing population and completely get out of the treaty which is unfair..only a stupid leader signs a treaty with a enemy country being an upper riparian state..since the treaty uses the term friendliness as a core mission...we should cite the countless terrorist attacks and completely revoke the treaty. If Paksitan stops terrorist attack..then in a spirit of goodwill we should share water without a treaty but based on mutual respect.

I don't mean it to devoid Pakistan of water but more out of need of water in India and also for a lower riparian state not to indulge in mindless violence for a lost cause.

Hope people of Pakistan will pressurize Pak army not to sponsor terrorists and there wouldn't be any water issue.
This dam will have the following impacts on India​
  1. Controlled Water flow: China will be able to control the flow of water into India and able to control the flow of Brahmaputra River. I have heard typical Indian bravado that much of Brahmaputra River water is generated due to monsoon river but they are forgetting the following factors:
    1. Generation of Hydro power requires consistent water flow and by creation of this dam the hydro power generation of India via Brahmaputra River will be impacted for which I have seen projections as high as 41% in India's energy generation plans, projects like Upper Siang Hydroelectric Project will be impacted​
    2. China "can" in theory let go access water in an abundant rainfall season and Siang River Dam will not be able to contain it, it simply cannot!​
  2. Silt flow: Indian farmers rely on Himalayan Silt from Brahmaputra River for cultivation and China by tunneling water (instead of it fully using the great bend) will impact soil fertility in India​
  3. Geological Impact (Earthquake/Landslides etc): The Chinese side is sparsely populated while Arunachal Pradesh is more densely populated so any geological impact will have disproportionate impact on India
Impact on Bangladesh:
  1. Flow of Water: Minimal because the water is unlikely to be reduced for either India or Bangladesh, the flow will be "controlled" by China so if access water is let go it impacts India much more and significantly. Bangladesh has no heavy reliance on Brahmaputra River or any of its tributaries for hydro power
  2. Silt flow: This is indeed a concern for Bangladesh as well as India
  3. Geological Impact (Earthquake/Landslides etc): None
The real causes for flood in Bangladesh are not entirely due to Brahmaputra River water flow so this will be not be a new issue.
 
@LordJames you would want to research on Run of the river dams , along with where does actual volume of the water gets increased, this is a unique point of Brahmpautra where rainfall contributes heavily to the flow.

The Major concern will be flooding yes, but it can hardly flood on Tibetian side unless China blocks for it for a very long time, which inturn can cUse issues along their tributary as well.
 
@LordJames you would want to research on Run of the river dams , along with where does actual volume of the water gets increased, this is a unique point of Brahmpautra where rainfall contributes heavily to the flow.

The Major concern will be flooding yes, but it can hardly flood on Tibetian side unless China blocks for it for a very long time, which inturn can cUse issues along their tributary as well.
Please read the post again in its entirety and try to understand what is being said.

Thanks

This dam will have the following impacts on India​
  1. Controlled Water flow: China will be able to control the flow of water into India and able to control the flow of Brahmaputra River. I have heard typical Indian bravado that much of Brahmaputra River water is generated due to monsoon river but they are forgetting the following factors:
    1. Generation of Hydro power requires consistent water flow and by creation of this dam the hydro power generation of India via Brahmaputra River will be impacted for which I have seen projections as high as 41% in India's energy generation plans, projects like Upper Siang Hydroelectric Project will be impacted​
    2. China "can" in theory let go access water in an abundant rainfall season and Siang River Dam will not be able to contain it, it simply cannot!​
  2. Silt flow: Indian farmers rely on Himalayan Silt from Brahmaputra River for cultivation and China by tunneling water (instead of it fully using the great bend) will impact soil fertility in India​
  3. Geological Impact (Earthquake/Landslides etc): The Chinese side is sparsely populated while Arunachal Pradesh is more densely populated so any geological impact will have disproportionate impact on India
Impact on Bangladesh:
  1. Flow of Water: Minimal because the water is unlikely to be reduced for either India or Bangladesh, the flow will be "controlled" by China so if access water is let go it impacts India much more and significantly. Bangladesh has no heavy reliance on Brahmaputra River or any of its tributaries for hydro power
  2. Silt flow: This is indeed a concern for Bangladesh as well as India
  3. Geological Impact (Earthquake/Landslides etc): None
The real causes for flood in Bangladesh are not entirely due to Brahmaputra River water flow so this will be not be a new issue.
 
Please read the post again in its entirety and try to understand what is being said.

Thanks
Yeah the flood buffer has already been increased this year due to this very reason.

So two issues
1.flow- maintained by monsoon
2.Flooding- Taken into account for the new damn by increasing flood buffer.

China’s Dam would be an issue had India already constructed the dam, please update your projections.
 
An evil regime destroying Muslims Uyghurs with active support from Pakistani Ummah...strangling their own population and commiting genocide in Tibet...destroying Tibet to send power to Beijing..quite par for the course from China...I don't know why PP posters are saying what about IWT...IWT is in abeyance and is totally unrelated to what China is doing...it is not as if China is saying without IWT we will not build the dam.

Wow. When did a Hindutwa ever care about muslims.
 
Wow. When did a Hindutwa ever care about muslims.
But I thought Pakistans heart bleeds for Muslims..but lil did I know it's only confined to Kashmiri Muslims and lip service for the Gaza folks...silent when Iran is bombed...Islamic bomb just on paper..actively cheering Chinese genocide ... commiting genocide in Bangaldesh in 71.
 
This dam will have the following impacts on India​
  1. Controlled Water flow: China will be able to control the flow of water into India and able to control the flow of Brahmaputra River. I have heard typical Indian bravado that much of Brahmaputra River water is generated due to monsoon river but they are forgetting the following factors:
    1. Generation of Hydro power requires consistent water flow and by creation of this dam the hydro power generation of India via Brahmaputra River will be impacted for which I have seen projections as high as 41% in India's energy generation plans, projects like Upper Siang Hydroelectric Project will be impacted​
    2. China "can" in theory let go access water in an abundant rainfall season and Siang River Dam will not be able to contain it, it simply cannot!​
  2. Silt flow: Indian farmers rely on Himalayan Silt from Brahmaputra River for cultivation and China by tunneling water (instead of it fully using the great bend) will impact soil fertility in India​
  3. Geological Impact (Earthquake/Landslides etc): The Chinese side is sparsely populated while Arunachal Pradesh is more densely populated so any geological impact will have disproportionate impact on India
Impact on Bangladesh:
  1. Flow of Water: Minimal because the water is unlikely to be reduced for either India or Bangladesh, the flow will be "controlled" by China so if access water is let go it impacts India much more and significantly. Bangladesh has no heavy reliance on Brahmaputra River or any of its tributaries for hydro power
  2. Silt flow: This is indeed a concern for Bangladesh as well as India
  3. Geological Impact (Earthquake/Landslides etc): None
The real causes for flood in Bangladesh are not entirely due to Brahmaputra River water flow so this will be not be a new issue.
I don't think I'm debating the bad impact of this dam on India..I m saying China would have done it with or without IWT suspension..this just gives India more locus stands to scrap the useless IWT ....so good for us. As for actual impact...short of deliberate flooding it can be handled and I am sure China is not stupid to cause ecological warfare..then 168 billion dam will not exist ..but being both responsible and ascending power..we will have some impact for sure but not end of the world.
 
Lol. Calm down OP, this won't affect India much. Most of the water India controls comes from rain fall in the Indian region.

China won't do much even if they could, why would they disrupt a $110 billion/year trade relationship that is growing by the year with one of their largest trade partners which favours China for a broke country like Pakistan.. 😏

Pakistan is just a lapdog that is there to be used as a nuisance for India by China and US, Indians will progress, Pakistan will only get worse, the question really is how much worse will Pakistan get in a decade...

Pakistanis will not see the reality ever, they will be stuck in the camel cowboy mindset till the end of time, I have always maintained that Pakistan is a lost cause..Sad reality.. If only Pakistan and India could have worked together they may have been unstoppable but some things are just not meant to be....
 
Lol. Calm down OP, this won't affect India much. Most of the water India controls comes from rain fall in the Indian region.

China won't do much even if they could, why would they disrupt a $110 billion/year trade relationship that is growing by the year with one of their largest trade partners which favours China for a broke country like Pakistan.. 😏

Pakistan is just a lapdog that is there to be used as a nuisance for India by China and US, Indians will progress, Pakistan will only get worse, the question really is how much worse will Pakistan get in a decade...

Pakistanis will not see the reality ever, they will be stuck in the camel cowboy mindset till the end of time, I have always maintained that Pakistan is a lost cause..Sad reality.. If only Pakistan and India could have worked together they may have been unstoppable but some things are just not meant to be....
The construction of this dam will have impact on India, its people, its ability to feed its people and its power generation and it has nothing to do with Pakistan.

I don't think I'm debating the bad impact of this dam on India..I m saying China would have done it with or without IWT suspension..this just gives India more locus stands to scrap the useless IWT ....so good for us. As for actual impact...short of deliberate flooding it can be handled and I am sure China is not stupid to cause ecological warfare..then 168 billion dam will not exist ..but being both responsible and ascending power..we will have some impact for sure but not end of the world.
I hope and pray so because the life of an innocent Indian is as precious as anybody else.
 
War over water, let’s see how many jets and how many days it’ll take before India starts begging for a ceasefire.

It’s wild how some people are actually excited about opening up another front. India is basically Pakistan in the 80s now, easily influenced, fueled by nationalism, and driven by Hindutva. All it takes is a little spark.
 
War over water, let’s see how many jets and how many days it’ll take before India starts begging for a ceasefire.

It’s wild how some people are actually excited about opening up another front. India is basically Pakistan in the 80s now, easily influenced, fueled by nationalism, and driven by Hindutva. All it takes is a little spark.

If a war breaks out with China, I don't think China will show much restraint like Pakistan did.

For example, China grabbed 2000 sq km of Indian territory since 2020. It wasn't even a war. Just imagine what they can grab if a war breaks out.
 
War over water, let’s see how many jets and how many days it’ll take before India starts begging for a ceasefire.

It’s wild how some people are actually excited about opening up another front. India is basically Pakistan in the 80s now, easily influenced, fueled by nationalism, and driven by Hindutva. All it takes is a little spark.
The evil hindoos already begged for ceasefire but the smart Muslims couldn't get anything ..no Kashmir no IWT..only international condemnation and an epic phainta of their army and airforce while the Navy went into hiding
 
If a war breaks out with China, I don't think China will show much restraint like Pakistan did.

For example, China grabbed 2000 sq km of Indian territory since 2020. It wasn't even a war. Just imagine what they can grab if a war breaks out.
Already happened in 62...could grab nothing ..got scared and surrendered everything they had...
 
Totally unrelated .china would build the dam anyhow..we should also use as much of IWT water as needed by growing population and completely get out of the treaty which is unfair..only a stupid leader signs a treaty with a enemy country being an upper riparian state..since the treaty uses the term friendliness as a core mission...we should cite the countless terrorist attacks and completely revoke the treaty. If Paksitan stops terrorist attack..then in a spirit of goodwill we should share water without a treaty but based on mutual respect.

I don't mean it to devoid Pakistan of water but more out of need of water in India and also for a lower riparian state not to indulge in mindless violence for a lost cause.

Hope people of Pakistan will pressurize Pak army not to sponsor terrorists and there wouldn't be any water issue.
Difference between India and China is that they walk the talk and it's all talk on your side.
 
China has no reason to engage in a scrap with India.

They have every reason. India is making enemies in Asia and China is one of the most bitter ones. Asian countries don't trust India not to sell out to the USA given even a sniff of an Apple manufacturing deal.
 
Already happened in 62...could grab nothing ..got scared and surrendered everything they had...
Wow. What an uppercut ( :sadbye ) from you. He was talking about 2020, but you went all the way back to 1962. Tell me, if China and India go to war in 2025, will the China of 1962 show up or the China of 2025? :inti
 
Wow. What an uppercut ( :sadbye ) from you. He was talking about 2020, but you went all the way back to 1962. Tell me, if China and India go to war in 2025, will the China of 1962 show up or the China of 2025? :inti
Glad you asked. Just like China the India of 2025 will show up..while China is still far ahead of India .the gap is smaller than in 62. But the reason I give the 62 example..is not about capability but about national psyche or stomach to fight.

Look at Russia. Napoleon came and got defeated, Hitler came and faced defeat, and now the current superpower is struggling too..because Russians have the stomach to fight . China on the other hand..their history is replete with losses to Japan British Tibetians Vietnamese...with the sole victory being recapture of Tibet ....not saying they are not technologically superior but are they willing to die and suffer massive losses for non strategic mountain lands..I highly doubt it. Maybe for Taiwan but definitely not for Arunachal Pradesh or Ladakh..that's more for putting pressure on India
 
Glad you asked. Just like China the India of 2025 will show up..while China is still far ahead of India .the gap is smaller than in 62. But the reason I give the 62 example..is not about capability but about national psyche or stomach to fight.

Look at Russia. Napoleon came and got defeated, Hitler came and faced defeat, and now the current superpower is struggling too..because Russians have the stomach to fight . China on the other hand..their history is replete with losses to Japan British Tibetians Vietnamese...with the sole victory being recapture of Tibet ....not saying they are not technologically superior but are they willing to die and suffer massive losses for non strategic mountain lands..I highly doubt it. Maybe for Taiwan but definitely not for Arunachal Pradesh or Ladakh..that's more for putting pressure on India


No one looks at India and thinks they are the ones who will take on a fight against the bigger powers. You being on a Pakistan forum rather than a USA or British Raj site are a prime example of it.
 
No one looks at India and thinks they are the ones who will take on a fight against the bigger powers. You being on a Pakistan forum rather than a USA or British Raj site are a prime example of it.
Sure man...why would we fight against UK or USA..we don't go and bomb their cities or groom their children or call them infidels...and luckily they don't drone bomb us..and as for China..they don't know my language and I dont know theirs and in my personal interaction with them..I found them extremely mature polite and not indulging in terrorism etc.
 
You need friends and developing partners like China who make things happen instead of chest thumping big talks and rumbling about things like the chaiwala does. Hope China helps BD more in developing infrastructure faster as the indian puppet Hasina left a huge mess and corruption behind.
 
Like as if BD hasnt been effected already and before? Like as if waters flowing coming through from India side of brahmaputra? BD aint getting much. been effected for long time by India.

Exactly.

India is a big snake. Does sweet talk outside but a big snake inside. India impacted Bangladesh with manipulations of dams many times.

It is refreshing to see China is keeping India in check without any political correctness. :inti
 
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