musicrux.com is a portal that gets you the latest on Indian classical music. You can get regular updates on concerts/events near you, news, educational posts and details on artists, organizations, venues etc. Online learning and many more exciting things are planned in the near future.
Here are some events happening in the next few weeks (http://musicrux.com/events):
Cupertino, CA: http://musicrux.com/sabhas/south-india-fine-arts