→permanent oversea residence in wealthy/anglo countries.

The wealthy or upper castes hardly care if the  poor or lo castes got labor intensive factory jobs or coolies jobs or slumdog vending spots. Actually less factory jobs help to suppress domestic servants wage.

By passing traditional industrialisation is workable for smaller nations like Singapore; but for hindustan, it's fantasy:

https://www.business-standard.com/article/economy-policy/india-a-bypass-nation-114031700160_1.html

"Lopsided policies have made India a bypass nation - a nation of duals, of inequity and of absurd paradoxes"