[1][2][3] [4] Banerjee was born into a Bengali Khulin Brahmin family in Jabalpur in Madhya Pradesh while his father was on a work assignment.
Through the encouragement of his teachers in the college and fellow Bengali students, Banerjee began studying the Bible and seeking instruction in the Christian faith.
Upon his decision to become a follower of Christ, Banerjee traveled to his native village and informed his relatives.
Banerjee proved to be an outstanding student, receiving a scholarship and graduating with honours in 1865 with a Bachelor of Arts.
Banerjee received his Bachelor of Law in 1870 and began work as an advocate in the city of Calcutta alongside his academic responsibilities.
Upadhyay laid the foundation for a Vedanta-based Christian theology, Vedantic Thomism - Upadhyay came to know Jesus Christ from his uncle Reverend Kalicharan Banerji and Keshub Chunder Sen, Brahmo Samaj and Naba Bidhan leader - he died prematurely as a prisoner, charged with sedition by Colonial government of Calcutta.
[2][3][7] With regular participation in the annual sessions of Congress, he was able to influence and succeed in putting a number of proposals before the Colonial British government of Calcutta for administrative reforms.
He also presided over the grand meeting that discussed the advantages of the municipal elective system, of the Indian League—This seems, attracted Richard Temple, then-Lieutenant governor of Bengal - Temple then called Babu Shishir Kumar Ghose and discussed about his willingness to introduce elective system in municipal bodies.
[10][11] In 1889, he was instrumental in protesting against the prohibition of teachers participating in political movements, imposed by the Colonial British Raj in Calcutta.
The Re-thinking Group of Madras, asserted that the missionary emphasis on institutions like Church in India was not wise and reiterated that Christianity must understand the spiritual genius of India, forms of worship, and categories of thought so as to take root in the Indian soil; as a result, development of spirituality through Bhakti tradition, and inculturation of the Christian faith through the avatar entered into their religious affairs.
[2][3] Kalicharan Banurji along with Shome representing Bengali Christians participated in a decennial missionary conference at Calcutta in 1882, and in Re-thinkers assemblage at Bombay(present Mumbai) in 1892 strongly advocating for united and single Indian church—one, not divided, native, not foreign.
[12] In the Bombay conference, he presented a paper entitled "The Native Church - Its Organization and Self Support"—an excerpt of that paper: That the missionaries of India, the majority of whom represent foreign missions, should,in conference assembled, embody, in their programme, the conception of 'The Native Church', is an indication of momentous significance.
Nay, it conveys the promise that, henceforth, they shall not impose by rule, upons the converts they are privileged to gather, the accidents of denominational Christianity, at once divisive and exotic, with which they themselves happen to be identified.
[4]Kalicharan Banerjee and Tamilians like Parani Andi(known also as Pulney Andy), V.S Azariah, P. Chenchiah, and K. T. Paul were credited for being the pioneers in reformulating "Rethinking Movement in Indian Christianity"—indigenous mission reflecting the cultural heritage of India and stand aloof from Western cultural domination—Re-thinking in the context of developing Indian expressions of Biblical life and faith against the traditional patterns implanted by Western minds.
Banurji: for eight years these pioneers of unity struggled onward seeking to found the church of India; but denominationalism proved far too strong for them.
He was present at the formation of the National Missionary Society of India on December 25, 1905 and was elected one of its vice-presidents alongside Kali Charan Chatterjee and V.S Azariah.
"Well then, Hinduism offers no absolution therefrom,Christianity does," and added: "The wages of sin is death, and the Bible says that the only way of deliverance is surrender unto Jesus."