Explanation
Why Correct: Sri Aurobindo wrote 'The Life Divine,' his magnum opus exploring spiritual evolution, integral yoga, and the transformation of human consciousness toward divine life on earth.
Distractor Analysis: Sister Nivedita, born Margaret Noble, was a disciple of Swami Vivekananda who wrote extensively on Indian nationalism and education. Swami Vivekananda delivered the famous Chicago address and authored works like 'Raja Yoga' and 'Karma Yoga.' Keshab Chandra Sen was a Brahmo Samaj leader who promoted social reforms and religious synthesis.
Takeaway: Sri Aurobindo's ashram in Pondicherry became a center for his spiritual practice, and he also authored 'Savitri,' an epic spiritual poem.