I think this maybe a wrong argument.
For the last 2000 years of history China, 18 of the last 20 centuries, China and India were the largest economies on the planet
until those western imperialists undermine both India and China.
Here
and here
1.) Back in year 14 AD, the Romans imported so much China stuff that Roman silver went to China and nothing going back to Rome
https://www.reddit.com/r/todayilearned/comments/6z11p0
2.) Most of global gold and silver in 16th and 19th centuries went to China
3.) And we should never forget, British solution to their money problems was opium.
They wanted Chinese people stoned and dumb to get their money back.
4.) And the US trade deficit
5.) And the latest, just few days ago
See history never repeats but it often rhyme.
Yet China (or India for this matter) seldom use their money and resources
to impose their will on weaker countries. China use it to protect the trade routes. That is why during the Tang dynasty (year 800),
they were forced to subjugate parts of Central Asia to control the trade routes going to Constantinople and Europe in general.
Why there is a Great Wall of China in first place? Walls are basically to keep other people out. In this case, the northern barbarians.
Those barbarians just plunder and pillage those poor farmers in northern China and several month long journeys trade caravans from Xian to Samarkand or Constantinople.
If China was a hegemon by then, it could have conquered back Northern Vietnam in 13th or 14th century (Norther Vietnam was part of China for almost a 1000 years. They rebelled and gain independence.). Or conquered the Korean peninsula. Why they didnt?
Well the Chinese emperors in the Ming dynasty in 14th century realize how costly to wage war very far away.
Instead they focus in defence, they strengthen the Great Wall, because they thought northern invaders still pose a great threat. And it really was.
Now in the 21st century, the norther barbarians are already subdued, the Great Wall has lost its function.
Yet the barbarians are now coming from the sea thousands of kilometers away. China never sent a single warship to their shores.
Yet these barbs are coming to China shores waving their flags and say it is freedom of navigation.
That is why its time for China to put a great wall on the sea to keep these barbarians out.
Well the problem isn't linear time itself but progress within that time. You would agree that there had been more technological progress within the last 100 years than the last 10,000 years before that combined, right?
The last 5,000 years of Chinese civilization no body launched a rocket to another planet, or edit DNA itself to perhaps be able to directly reshape the future of the Chinese race much faster than natural pressures of selection /evolution, or the ability to solve fusion for unlimited energy needs of a society, or weapons that can destroy the world several times over within the span of an hour, or on the verge of conquering artificial (general) intellegence to be able to free the population from the burden of both physical but also cognitive work for survival/production/resoruces, and many such other things....
As such, consider an extreme example of two futuristic scenarios in which 1) time travel was invented 2) a superior AGI was invented that could then go on its own to invent/create ever more intelligent artificial forms of intelligence without human intervention etc
Any such society that first conquered Full AI will stay on top forever, so much so that they can direct the Full AI to see to the possibility of time travel and then try to create it, any society that had access to a time machine would by definition also stay on top forever...
So saying that for thousands of years China and India had always been on top economically doesn't mean much for this day and the modern era, its not a good predictor of success since those thousands of years can be meaningfully compressed into just a handful of modern equivalent years if that...
India cannot pursue the China model to success, its too late for that. China was at the right place and right time to climb so rapidly in the last 40 years. Globalization is now peaked, AI automation means cheap labor /outsourcing will likely become a thing of the past, China will go for tech ascension but India is already too late to the game. I don't see India ever catching up to China's GDP, its not a function or matter of "time".... they missed the critical window and its never gonna happen again