Based on Nana Chandorkar's commentary, what are the three specific actions a disciple must perform to receive instruction in Knowledge from a Guru?

In his detailed explanation to Sai Baba, Nana Chandorkar broke down the requirements for receiving knowledge as prescribed in the Gita verse. As presented in Chapter 39, Nana identified three distinct actions. The first is 'pranipatena,' which means to prostrate at the Guru's feet in complete surrender. The second is 'pariprashnena,' which involves asking respectful questions to clarify doubts. The third is 'sevaya,' which signifies serving the Guru with one's entire being, or 'with one's life.' Nana emphasized that through this combination of prostration, questioning, and service, the Wise will instruct a worthy disciple in Knowledge.