 She retired in 2000, and is currently an independent researcher living in Mumbai.She is noted for work on investigating the factors contributing to the end of the Indus Valley Civilization.Shereen Ratnagar along with archaeologist D. Mandal spent a day, in 2003, examining the excavations conducted by the Archaeological Survey of India (ASI) at the site of the Babri Masjid on behalf of the Sunni Waqf Board.