He was the eldest son of Gopi Mohan Tagore and headed the Pathuriaghata family after demise of his father.
[1] Hara Kumar Tagore, was learned in the Hindu scriptures, Sanskrit and English.
[3] Also he authored a manual on procedural matters relating to various Tantric rites, particularly Kali worship.
[1] Hara Kumar died in 1858 ; and was succeeded, as head of the Pathuriaghata branch of family, by his eldest son, Maharaja Sir Jatinodro Mohun Tagore.
[citation needed] He had built a beautiful mansion - the famed "Emerald Bower,".