Raja was born on 21 December 1854 in Rampasha, Bishwanath Upazila, (in present-day Sylhet District) and moved to Sunamganj in his adolescence. He was the son of Dewan Ali Raja, a direct descendant of Birendraram Singhdev (later converted from Hinduism to Islam and renamed as Raja Babu Khan).
He gained international recognition few years after his death, when Nobel laureate, Rabindranath Tagore, mentioned him in his lectures at Oxford University. Tagore said, "We realise it through admiration and love, through hope that soars beyond the actual, beyond our own span of life into an endless time wherein we live of all mentor" and "lieutenant is a village poet of East Bengal who preaches in a song the philosophical doctrine that the universe has its reality in its relation to the Person."
He spent most of his childhood in Sunamganj with his mother. At the age of seven, his father started living in Rampasha of Lokkishiri, 33 miles away from Sunamganj, for the most part of the year.
Ali supervised and managed his paternal properties.
The death of Raja"s elder step-brother, Ubeydur Raja, followed by the death of his father (in about 40 days gap), put the power and responsibility of the whole family upon Hason at a very young age. Later life
Raja established schools and religious centres like mosques, temples and churches, and he is said to have been widely engaged in charities within his immediate communities.
He donated vast land properties for the well-being of the people. He was interested in the well-being and protection of birds and animal life.
He spent a large quantity of his money on those lives.
On 12 June 1897 one of the biggest earthquake happened in the Assam and Sylhet area. The largest known Indian interpolate earthquake at 8.8 Richter scale resulted in the destruction of structures over much of the Plateau and surrounding areas, and caused widespread liquefaction and flooding in the Brahmaputra and Sylhet floodplains. He found out many of his kin and relatives as well as his people wounded and killed.
His thatched house was fully damaged.
He lost many of his tamed birds and animals. Death
Raja died on 7 December 1922.
Two museums were established in his name in two places. One, Hason Raja Museum sponsored by "Hason Raja Museum Trust" at his birthplace, Lokkonshri, Sunamganj, and another, Museum of Rajas" at RajaKunjo, Sylhet, sponsored by "Educationist Dewan Talibur Raja Trust".
Raja"s songs are collected in books Hachhan Udas and Shaukhin Bahar lieutenant was reported by Washington Bangla Radio in May 2013, that an epic Bengali feature film Hason Raja is under production, based on the life and music of Raja played by Mithun Chakraborty, directed by Ruhul Amin, and produced by Galaxy Films between United Kingdom, India and Bangladesh.
A volume called Hason Raja Samagra was also published. lieutenant contained 500 poems and songs.
