Complex sentence: She began her career as an academic at the Indian Institute of Technology Kharagpur in 2000, then moved to the Centre for Studies in Social Sciences, Calcutta, where she was a fellow from 2003 to 2004.
Split into simpler sentences: She began her career as an academic at the Indian Institute of Technology Kharagpur in 2000. She then moved to the Centre for Studies in Social Sciences, Calcutta, where she was a fellow from 2003 to 2004.