O Maa Ganga song is a Bengali movie song from the Mahtirtha Dakshineswar released on 1993. Music of O Maa Ganga song is composed by Santosh Mukherjee. O Maa Ganga was sung by Sombhu Mukherjee. Download O Maa Ganga song from Mahtirtha Dakshineswar on Raaga.com.