How does a beginner get to know whether he has mastered the asana perfectly?
It’s very important to test the improvement of a pose which is heading towards perfection. However, the easiest way to know is that when posture happens spontaneously, then one should assume that he has attain perfection in that particular pose. For example, as walking happens to us naturally in the similar way the pose should come to us naturally when we are practicing it, without any difficulty.