The audio link to the 58th part of the lecture by Adiyen on Sri Ramanuja’s bhashya on the Bhagavad Gita is as below – The introduction to the 17th chapter and the meanings of the first 16 verses are covered in this lecture.
The link is as below:
https://drive.google.com/open?id=12dtNAhyIOQxHMORb3HU-2yEz_gK1N6p9
Dasan
Sreeram.