Sri Rathna tharpa ganapathy

Sri Rathna tharpa ganapathy is the main god for 11 egadesa murthy in rameswaram.People who worship him egadasi tithi with 11 abhisegams and 11 food varieties will bring good prosperity for their family.People who need material prosperity can worship sri vancha ganapathy on thuvathisi tithi and sri rathna ganapathy on egathasi tithi. 

Thanks to agasthiar blog.