3.30 मयि in Me, सर्वाणि all, कर्माणि actions, संन्यस्य renouncing, अध्यात्मचेतसा with the mind centred in the Self, निराशीः free from hope, निर्ममः free from egoism, भूत्वा having become युध्यस्व fight (thou), विगतज्वरः free from (mental) fever.Commentary: Surrender all the actions to Me with the thought, I perform all actions for the sake of the Lord.Fever means grief, sorrow. (Cf.V.10XVIII.66).