Is it a good idea to invest in India for 30 years?

Considering the opportunities:
– Massive population & population growth.
– Considered to be a democratic country.
– More capitalistic nature than China.
– The massive upgrade to middle & high class.
– Fairly good Hi-Tech culture.

And the risks:
– A lot of corruption.
– High level of poverty.
– Political & Governance risk.
– Geopolitical & Geographic risk.
– Climate change risk.

What are the chances of india being a really good investment for the next 30 years, providing remarkable returns?