Here's some of the most popular Mridanga related Facebook groups and pages:
Top Mridanga resources all in one place! Stay in touch, discuss the site and share your own mridanga links and news with Mridanga.net.
Probably the largest Mridanga group on Facebook.
This page is managed by Abhijit Bhattacharjee - Teaching in LA. Click on the about section to find out course details. Also, visit his excellent YouTube channel here and don't forget to check out all the other Top Mridanga Tuition Channels available in the list on the right hand side of this page.
Currently quite a small community page, but could build up some useful content as more people join and discuss Mridanga within Facebook.