Perform action, O Arjuna, being steadfast in Yoga, abandoning attachment and balanced in success and failure; evenness of mind is called Yoga.

Swami Sivananda

By being established in Yoga, O Dhananjaya (Arjuna), undertake actions, casting off attachment and remaining equanimous in success and failure. Equanimity is called Yoga.

Swami Gambirananda

Follows the commentary of Shankara (Advaita).

Abandoning attachment and established in Yoga, perform works, viewing success and failure with an even mind. Evenness of mind is said to be Yoga.

Swami Adidevananda

Follows the commentary of Ramanuja (Vishishtadvaita).

O Dhananjaya! Establish yourself in the Yoga, perform actions while abandoning attachment, and remain even-minded in success and failure; for, even-mindedness is said to be the Yoga.

Dr. S. Sankaranarayan

Follows the commentary of Abhinavagupta (Kashmir Shaivism).

Revised:
Perform all your actions with your mind concentrated on the Divine, renouncing attachment and looking upon success and failure with an equal eye. Spirituality implies equanimity.

Shri Purohit Swami

हे धनञ्जय ! तू आसक्तिका त्याग करके सिद्धि-असिद्धिमें सम होकर योगमें स्थित हुआ कर्मोंको कर; क्योंकि समत्व ही योग कहा जाता है।

Swami Ramsukhdas

हे धनंजय आसक्ति को त्याग कर तथा सिद्धि और असिद्धि में समभाव होकर योग में स्थित हुये तुम कर्म करो। यह समभाव ही योग कहलाता है।

Swami Tejomayananda