Complex sentence: He founded an ashram and religious community, Shantivanam in 1950, and became Swami Abhishiktananda, but in his latter years found himself very drawn to religious experience within solitude, spending much time in the caves at Arunachala.
Split into simpler sentences: He founded an ashram and religious community, Shantivanam, in 1950 and became Swami Abhishiktananda. In his latter years found himself very drawn to religious experience within solitude, spending much time in the caves at Arunachala.