The concept of renunciation in Hinduism has been subject to astonishingly different interpretations. Renunciation has been thought to necessitate meditation that one’s self is essentially the same as brahman, which is being itself, which can be realized by focusing on being conscious, or aware, without distracting thoughts and desires. This is Shankara’s position, whereas Ramanuja, who emphasized Bhukti devotion to the god Krishna, saw renunciation as detachment from desires without giving up action. Detached action or meditation. Which is preferred. In the Bhagavad-Gita, the former has the upper hand, but that does not mean that the text does not contain contradicting passages. It may that transcending contradiction lies above knowledge as well as renunciation in either of its meanings.
The full essay is at "Renunciation in Hinduism."