[2] His mother Benita Roy was the granddaughter of Keshub Chandra Sen, a leading nineteenth century Brahmo Samaj leader and reformer of Bengal.

Leading actress and danseuse Sadhana Bose and classical singer Naina Devi were his maternal aunts.

[6] However, the Chakmas under Tridev Roy chose to remain neutral during the 1960s and 1970s as relations between the Pakistani Army and Mukti Bahini, which fought for Bangladeshi independence.

[9] Roy feared political persecution if he remained in Bangladesh after the country's independence, which led to his decision to move to Pakistan.

[6] He also felt that the new Bangladeshi government would no longer guarantee the special autonomous status of the Chittagong Hill Tracts.

[6] Roy, who called the presidency a "gilded cage," was unwilling to convert from Buddhism to Islam to hold the office.

[6] In 2005, the High Commissioner of Sri Lanka, General Srilal Weerasooriya, on behalf of the President, conferred the emblems of the Sri Lanka Ranjana Award on Federal Minister Tridev Roy for his work on behalf of Pakistan's Buddhist community.

[2] The Express Tribune published an editorial the day following his death titled "The Raja who gave away his kingdom" on the diplomat's political career, excerpts of which are below:[6] Raja Tridiv Roy, minister-for-life, former government adviser, envoy and chief of the Chakma Tribals, died in Islamabad on Monday.

Roy's other distinction was that at one point he was also offered the position of President of Pakistan by Zulfikar Ali Bhutto, who himself had assumed the prime ministership of the country...

After that, he was head of the Pakistan Buddhist Society.Among his books, Tridiv Roy published his memoirs entitled, The Departed Melody.

His other books and publications include Collection of Short Stories, which was translated to Urdu, and South American Diary.