 He was the younger brother of Nandakumar Vidyalankar (later Kulavadhuta Shrimad Hariharananda Tirthasvami), a wandering hermit, who had acquaintance of Raja Rammohun from his younger days.He was the worshipper of One True God according to the "Mahanirvana Tantra".Vidyabagish compiled the first monolingual dictionary in Bengali in 1817 and was author of several books.