The story of the next 100 years will probably be the relative rise of the Gangetic plain after roughly 1300 years of almost continual decline after the fall of Harshavardhana
Large parts of the Deccan and Bengal have started aging, and will continue to age
Also the Deccan faces a huge brain-drain with its erstwhile elite looking up to the US as the future home for its progeny
That will get corrected in the course of the next few decades
That will further increase the pre-eminence of Gangetic plain at least politically
That will change. In part because the elites of Deccan are not so much interested in India anymore
The visa queues at consulates tell us something
In early 20th cen, the pioneering figures were from the South - Krishnamacharya, BKS Iyengar. Mysore was a Yoga capital
But in 21st cen, the most influential figure is Baba Ramdev. In fact Ramdev in many ways epitomizes the shift in epicenter
The dominance of the Bengali bhadiralok and Tamil brahmin circa 1950-60 is now clearly a thing of the past
Many communities have now caught up, mostly from the North
I expect a big decline
If one looks at North Indian history from say 1850 to 1950, we can sum it up in terms of a cultural decline of the Gangetic plain and the rise of the Indus plain
The decline of Benares and the rise of Lahore
By 1941, Benares still stagnated at around 300K, while Lahore was close to 700K. Over 2 times larger!
The rise pf Punjab. The decline of Ganga-Jumna plain
It had implications for culture. Language. Many many things
And they dominated our perception of the cultured North Indian.
Bollywood for eg exuded Punjabi culture
The Punjabi elite who moved to India post partition are again a demographic with low fertility, and with significant migration to US / Canada
Even the state of Punjab taken as a whole is older, less vibrant than say 50 yrs ago
One of the richest states in the country 40 years ago. Not anymore.
The state that has receded the most in the past 40 years
So within North India we see a shift. A cultural and a demographic shift
From West to the East