Nice to know the reasons for the failure.
One of the reasons given by @nike is lack of 'reputation'. In that case, I recommend that volunteers actively start participating in stackoverflow in some other topic on stackexchange and build the reputation.
I realized only today that it is not that difficult to build reputation, if you take 20-30 minutes for few ...
There is already a proposal for Dravidian and Sanskritic Languages in the definition stage and Telugu being a Dravidian language is on-topic there. You have already started following that proposal and just need to ask example questions there to help that site define.
Questions about culture bias/differences are already on-topic on existing SE sites. Depending on the situation and specific topic, these can be asked on:
Travel has cultural-awareness tag.
Workplace has culture tag.
Interpesonal Skills has cross-culture tag.