O Paakhi Aaj song is a Bengali modern song from the Hemanta Mukherjee Sandhya Mukherjee released on 0. Music of O Paakhi Aaj song is composed by . O Paakhi Aaj was sung by Sandhya Mukherjee. Download O Paakhi Aaj song from Hemanta Mukherjee Sandhya Mukherjee on Raaga.com.