Well to be fair, under the Wikipedia article GP posted, it clearly says
Human Development Index: [1]
"From the starting of this index, Kerala has scored high, comparable to developed countries." ..<.. "The statistic is composed from data on Life Expectancy, Education and per-capita GDP (as an indicator of Standard of living)"
As far as internet, they are planning on introducing statewide free wifi both in rural and urban sectors. [2][3.1] [3.2] (technical) [3.3] (technical)
Now if you want to pick as to how they deal with modern issues, this could be an example. (Kerala becomes first state to unveil transgender policy) [4]
So yes while I agree it still has to catchup on some grounds, I don't think its decades away from achieving the standard of living found in the US.
[1] https://en.wikipedia.org/wiki/Kerala_model#Human_Development...
[2] http://kerala.me/blog/kerala-cities-to-become-wi-fi-enabled-...
[3.1] https://en.wikipedia.org/wiki/Akshaya_project
[3.2] http://www.networkmagazineindia.com/200403/casestudy02.shtml
[3.3] http://tier.cs.berkeley.edu/docs/retreat_oct_05/mubaraq-econ...
[4] http://indianexpress.com/article/india/india-news-india/kera...