OpenStreetMap
A quick lookup on the present state of Indic language tags in OSM.
Compared to other language tags, this is a miniscule number.
And there is no Indic tags that feature in the top 10 list. However there is some real good work that is being done with name:kn tags. Personally I would love to see more tags in my mother tongue Tamil and I wish more contributors work towards Indic language tags!
Discussion
Comment from ImreSamu on 19 December 2015 at 09:39
and one more : “name:kn:iso15919 - Names in Kannada language transliterated in the ISO 15919 format.” http://taginfo.openstreetmap.in/keys/name%3Akn%3Aiso15919#values
http://taginfo.openstreetmap.org/search?q=name%3Akn
Comment from yogi_ks on 21 December 2015 at 09:48
I think Marathi is missed from the above list, which is interestingly, more than Hindi. But yes, at least in India, there can be more Indic language tags which is not the case now. :(
Comment from ramyaragupathy on 21 December 2015 at 11:22
@ImreSamu - Din’t know about this transliterated tags!
@yogi_ks - Interesting!