Hi Vikram Vincent,

Please have a look at the following:

* Tamil Wikipedia: A case study

https://ta.wikipedia.org/s/bs8

* Tamil Wikipedia. 10 years. 10 lessons.

https://www.facebook.com/download/442160762550269/tawiki10lessons.odp

We will try to come with more updated reports sharing best practcies later.

In general, Malayalam and Bangla Wikipedia communities are also doing good.

You can check http://shijualex.in/analysis-of-the-indic-language-statistical-report-2012/ which analyses various aspects of growing a community.

If there is one education program that I admire for the sheer genius of program design, then it is

http://blog.wikimedia.org/2012/07/06/wikipedia-education-a-model-from-malayalam-wikipedia/

I have also wondered at fun filled community building activies from Bangla Wikipedians like

https://ten.wikipedia.org/wiki/Dhaka#Kite_Flying_Festival

If you follow

http://blog.wikimedia.org/c/community/

regularly, you may get some inspiring stories from all over the world.

Ravi