She attended the Calcutta School of Music, before gaining a fellowship to Trinity College London.

At the age of 16, she was the youngest candidate, and the first candidate from India, admitted to the Conservatoire de Paris,[3] After finishing her course at the Conservatoire de Paris, she became the pupil of Romanian violinist Georges Enesco.

[10] In 1938, she was guest soloist at the Calcutta School of Music's Fifth Symphony Concert, heard live on All India Radio.

[11] After marriage and children, Thumboochetty gave concerts in Bangalore, but did not tour; "she continued to practice three hours a day almost to the end of her life," according to her son.

She also taught violin; one of her successful students was Grammy-winning violinist and composer Manoj George.