Inside the base, there were 2,800 unglazed clay tablets in which Buddhism venerable statues, images of Hindu gods, people and animal figures were carved in relief, which remain valuable examples of the art of the Pala Dynasty.
基壇にはめこまれていた2,800点の素焼粘土板の浮彫は、仏教尊像・ヒンドゥー教神像・人物・動物などを表していて、パーラ朝美術の貴重な資料である。