Detached action is same as renunciation because both require freedom from desire of sense gratification.
aReal sannyasa-yoga or bhakti implies knowledge of one’s constitutional position as living entity and acting accordingly:
Constitution of living entity:
No separate independent identity, but part and parcel of the Supreme
Marginal energy of Supreme
Conditioned state – When the living entity is entrapped by material energy, it is called conditioned state
Real natural state of Life – When the living entity is Krishna conscious or aware of spiritual energy
Stage of complete knowledge – When living entity ceases all sense-gratifactory activities and acts according to spiritual constitution
How Yogis achieve this stage – Yogis practice this stage by restraining senses from material attachment
How devotees achieve this stage – He has no opportunity to engage senses in anything other than Krishna; which implies, he is in a stage of complete knowledge
Therefore Krishna conscious person is a perfect sannyasi and yogi
Therefore bhakti includes the purpose of jnana (knowledge) and yoga (controlling senses)
bFailure of “jnana” and “yoga”, if we do not give up activities of selfish nature:
Real aim of life is to give up all selfish satisfaction and be prepared to satisfy the Supreme
Who fails in this aim – One with no information of the Supreme must engage in selfish activities
Who fulfils this criteria fully – Only a Krishna conscious persons who has no desire for sense enjoyment and always engaged for the enjoyment of the Supreme