The Spirit of Karma Yoga

I can see anger come from expectations. In the world, where focus is on result. Sometimes from me, it become bit challenging. So, when I aplly for job Or reach out cxo for meeting. I make effort to follow Karma yoga, not getting affected by results. I feel practicing karma yoga is amazing. If I am not affected by results, it would be amazing. But also somehow I feel, bit difficult to practice. Would be keen to know more, how can we become a true karma yogi