The audio link to the 61st part of the lecture by Adiyen on Sri Ramanuja’s bhashya on the Bhagavad Gita is as below – The meaning of the verses from the 13th to the 28th verse of the 18th chapter was covered.
The link is as below:
https://drive.google.com/open?id=1kzwZ3qr1UzyKsZHXmTxQQxZ4MAXi3JJ_
Dasan
Sreeram