Buy Pakhawaj online. Sale of Pakhawaj in. Pakhawaj is a barrel-shaped, two-headed drum also known as ‘Mother of North Indian Drums’. It has many other names such as pakhavaj, pakavaj, pakuaj or pakhvaj. It is used as the main instrument for dhrupad vocal music as well as dhrupad style performances on Rudra Veena & Surbahar.