Nana Chandorkar was an expert in Gita commentaries. Based on the source, what was his detailed explanation of Gita verse 4.34, and how did he support it?

As an expert in Gita commentaries, Nana Chandorkar provided a detailed explanation of verse 4.34 when prompted by Sai Baba. According to Chapter 39, Nana explained that attaining knowledge requires a specific approach towards a Guru. He broke it down into three actions: 'pranipatena' (prostrating), 'pariprashnena' (respectful questioning), and 'sevaya' (service). He summarized this as Krishna's message to Arjuna: by serving the Guru and prostrating, one becomes worthy of receiving knowledge from the 'jnaninastattvadarsinah'—the Wise who have seen the ultimate Truth. The text explicitly mentions that to support his interpretation, Nana referenced the works of numerous esteemed commentators, including Shankara, Anandagiri, Shankaranandi, Sridhari, Madhusudana, and Nilkantha.