As man is becoming a machine due to the glamour of materialism and is being compelled to lead an unhealthy and tense life, the world is getting attracted towards yoga for attaining peaceful, healthy and tension-free life. In practical life, husband-wife, father-son, brothers-sisters are all external agents. In contrast, the body, the mind, intellect, ego, etc., are all internal agents which are closer to life. In a conflict, it is the internal agent,...