You're right. 2075 is still too far to assume! If you ask me, I would say India won't sustain their current growth if the attitude of Indian government towards adopting breakthrough technology remains sedentary.

Coinsreporter

I don't expect either country to exist in their current form in 2075.

Will there be more economic activity on the Indian sub-continent than in North America? Maybe.

econ

How India's Economy Will Overtake the U.S.'s

I don't expect either country to exist in their current form in 2075. 

Will there be more economic activity on the Indian sub-continent than in North America? Maybe.