The audio link to the 57th part of the lecture by Adiyen on Sri Ramanuja’s bhashya on the Bhagavad Gita is as below – The meanings of the verses from the 15th until the 24th, the final verse of the 16th chapter are covered in this lecture. A small introduction to the 17th chapter is also given.
https://drive.google.com/open?id=1uDKi0eyoCvel9zmAQvEE00E4W0RaUanE
Dasan
Sreeram.