Bhagavad Gita Ch. 3 “Yoga of Actions (Karma Yoga)” Verses 17 & 18
The lecture discusses who is free of all obligatory duties and why.
Moksharthi - Please visit YouTube for Bhajans by Neil Bhatt - https://www.youtube.com/playlist?list=PL8jOW56VdfinQGoaP3cRFi-lSBfxjflJE