Shivaji’s Guru was Shree Samarth Ramdas was a noted 17th-century saint and spiritual poet of Maharashtra. He is most remembered for his Advaita Vedantist text, the Dasbodh. Ramdas was a devotee of Hanuman and Rama.
Explanation: Splitting the diagram in half horizontally and vertically, each quarter contains the alphabet written in sequence, with the relative position of this sequence rotating 1/4 turn anti-clockwise as you move clockwise around the quarters.