Her father was eager for her to study medicine, and she enrolled at the Christian Medical College, Ludhiana, a five-day train journey away.
Kochie and Lalitha wrote an essay "Eves in Engineering" in 1941, which was republished in the college's bicentenary volume Survey School to Tech Temple, 1794-1994.
They urged the provision of female accommodation on campus, and encouraged other women: "May we appeal to all our sisters to follow the lead which has been our luck and fortune to have taken on ourselves ... Can half the population of the world afford to be ignorant of a science and profession responsible for the creation and maintenance of the present-day civilisation?
[4] The maharani of Travancore, Sethu Parvathi Bayi, sponsored Koshie to travel to England to continue her education, promising her promotion on her return, and she studied town planning.
After studying in England she travelled in Eastern Europe before returning to India in 1947, where the struggle for independence meant that the promised promotion did not materialise.
He had never left Kerala and worked in the Accountant General's office, so their experiences had been very different, but he shared her Saint Thomas Christian faith.