He married Rena Carswell, a Scottish Irish woman and secretary in the World Student Christian Federation(WSCF) in Geneva.
Dutta, though not followers of Gandhi and represented Indian christian community, they indeed made efforts to bring reconciliation among the opposing leaders who took part in the conference, including Gandhi, Sarojini Naidu, Madan Mohan Malaviya, Muhammad Iqbal, Ghanshyam Das Birla, Mirza Ismail, and more.
Dutta have come to conclusions that Indian christians would best integrate themselves into national life if they didn't cast themselves as a separate political entity.
[15] He represented Indian Christians in the Second Round Table Conference, agreeing with Mahatma Gandhi in his views on minorities and Depressed Classes.
During his tenure, he emphasized the integration of liberal arts education with Christian values, aiming to elevate the college's standing as a premier institution in colonial India.
This appointment marked a significant shift toward greater Indian leadership in institutions that were previously dominated by foreign missionaries.
[17] He was a devout Christian and critic of Hinduism, who believed that the Indian religions do indeed search for the truth, yet argued that they didn't provide moral and spiritual support for reform and renewal.
He denounced Hinduism philosophy and its doctrines, especially Karma and Transmigration in weakening the demand for moral responsibility and social reform; according to him, only the basic teachings of Christianity could give hope to the people of India—the righteousness of God, the moral order of the created universe, the redeeming love of God manifest in Jesus Christ.
He further emphasized a two-fold contribution of Christianity to India through the work of educational institutions, and through the visible Indian church, which he believed to be influential far beyond its minority status.