A historian, environmentalist and writer based in Chennai, Nanditha Krishna has a Ph. D. in Ancient Indian Culture from Bombay University, where she was also a Heras scholar. She is a Professor and a Research Guide for the Ph. D. programme of the University of Madras.

She was the Honorary Director from 1981 of The C. P. Ramaswami Aiyar Foundation and was elected President in 2013. She is the Founder-Director of its constituents: C.P. Art Centre; C.P.R. Institute of Indological Research; Saraswathi Kendra Learning Centre for Children; The Grove School (Chennai); Shakunthala Jagannathan Museum of Folk Art and Rangammal Vidyalaya (in Kanchipuram); Sir C.P. Ramaswami Aiyar Memorial Nursery & Primary School, Kumbakonam; and C.P.R. Environmental Education Centre (a Centre of Excellence of the Ministry of Environment, Forests and Climate Change, Govt. of India).

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She is also the President of the Conjeevaram Hindu Educational Society (SSKV Schools & Women’s College), Kanchipuram; Blue Cross of Kanchipuram; Member, Governing Body of Blue Cross of India;

She is the editor of ECONEWS, Indian Journal of Environmental Education, and publisher of the Journal of Indian History and Culture.

She is the author of Hinduism and Nature (Penguin India);Deva Pratima, A Compendium of Essays on Indian Iconography, (CPR Publications); Sacred Plants of India (Penguin India); Paintings of the Varadaraja Perumal Temple, Kanchipuram; Madras Then, Chennai Now (with Tishani Doshi & Pramod Kapoor; Roli Books); Sacred Animals of India (Penguin India); Book of Demons (Penguin India); Book of Vishnu, Penguin India;  Madras-Chennai, Its History and Environment, (New Horizon Media); Balaji Venkateshwara (Vakils); Ganesha(jointly with her mother Shakunthala Jagannathan) (Vakils); Painted Manuscripts of the Sarasvati  Mahal Library; The Arts and Crafts of Tamilnadu(Mapin);   The Art and Iconography of Vishnu-Narayana, (Taraporevala);   Folk Toys of South India (CPR Publications); Varahishwarar Temple – Damal (CPR Publications); Folk Arts of Tamilnadu (CPR Publications).