Some time back, WMF funded research on Oral Citations. Some articles on English Wikipedia (and probably some indic wikis like hi as well from the looks of it) have begun using oral citations. However, there is no mention of their acceptability on WP:RS so far.
I have taken the liberty of starting a discussion on this  and Im posting it on the list as I think its important that this be discussed in detail as it would be a major change to current policy, if implemented.  http://en.wikipedia.org/wiki/Wikipedia:Reliable_sources/Noticeboard#Oral_Citations Kind Regards,
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