He left his mark on the history of Bengali prose literature and the Brahmo movement in the mid-nineteenth century, inspired by uninterrupted scientific rationalism; a member of the Tattvabodhini Sabha established by Devendranath Tagore and, for some time, he served as the assistant editor of its paper, Tattvabodhini Patrika.

On 13 June 1840, when Debendranath established the Tattvabodhini Pathshala in Calcutta, Akshay Kumar became its teacher.

Akshay Kumar was one of the leaders in the Brahmo Samaj who raised questions against this kind of blind scriptural belief.

In 1854, an institution “Samjjyoti bidhayini Sahrit Samiti” was formed mainly for the purpose of eradication of superstition and social welfare.

The Voyage and Trade Expansion of His Ancient Hindus (published in 1901 after the death of the author and edited by his son Rajininath Dutt) is one such basic research book.