He publishes on the arts of Ajanta, Ellora, Jain, Rajasthani, Pahari and Mughal paintings and drawings. He authoredArt of Three Tagores- From Revival to Modernity.[6] He is married to artist Naina Dalal.[7]
Paintings of the three Tagores, Abanindranath, Gaganendranath, Rabindranath – Chronology and Comparative Study (PhD Thesis), MS University of Baroda, Vadodara,1973.
Studies in Modern Indian Art, Kanak Publications-Books India, New Delhi, 1975.
Life of Buddha in Indian Sculpture, Kanak Publications, New Delhi, 1982. Enlarged edition, DK Printworld, Delhi, 2009.
Sculptures of Sheshashayi Vishnu, MS University of Baroda, Vadodara, 1983.
Proceedings of Workshop in History of Art, 1977, published on behalf of University Grant Commission, New Delhi, by MS University of Baroda, Vadodara, 1979.
Vaiṣhnavism in Indian Art and Culture, Books & Books, New Delhi, 1987.
Ellora Caves – Sculptures and Architecture, Books & Books, New Delhi, 1988.
The Paintings of Rabindranath Tagore, Lalit Kala Akademi, New Delhi, 1989. Revised edition, Lalit Kala Akademi, New Delhi, 2008.
The Arts of Ajanta – New Perspectives, Books & Books, New Delhi, 1991.
Creative Arts in Modern India, Books & Books, New Delhi, 1995.
The Legacy of Raja Ravi Varma – The Painter, Maharaja Fatehsingh Museum Trust, Baroda, 1998.
(with Sandip Sarkar)Historical Development of Contemporary Indian Art 1800 – 1947, Lalit Kala Akademi, New Delhi, 2009.
Ellora Caves – Sculptures and Architecture, Books & Books, New Delhi, 1988. Revised edition, Aparant Books, Pune, 2018.
Shridhar Andhare, (ed) Ratan Parimoo,Calligraphy and Art of Writing in Jain Manuscripts, Ahmedabad, 2020.
Towards a New Art History: Studies in Indian Art, Essays in Honour of Prof Ratan Parimoo, (ed) Shivaji Panikkar, Parul Dave Mukherji, et al., DK Printworld, New Delhi, 2003.
RATNA DiPAh, New Dimensions of Indian Art History & Theory, Essays in Honour of Prof Ratan Parimoo, (ed) Gauri Parimoo Krishnan, RH Kulkarni, Agam Kala Prakashan, 2021.
2003- 2005 – Board of Studies, Jawahar Nehru University, New Delhi. Board of Studies, National Council of Educational Research and Teaching, New Delhi.
2011 – Authentication Committee appointed by Archaeological Survey of India, New Delhi, to access the exhibition of 20 fake paintings of Rabindranath Tagore held at College of Arts and Crafts, Kolkata.
2012-2014 – Member, Board of Studies, School of Art and Aesthetics, JNU.
2014-2016 – Member, Acquisition Committee, NGMA, New Delhi.
2015-2020 – Chief Advisor, Textbooks in Fine Arts for class XI and Class XII, National Council of Educational Research and Training.