[1] During the 1840s, he defended the Zoroastrianism of the Parsis, at that time under pressure from Christian missionary activity, in Fam-i-Farshid which he edited.
[2] He was a founder of the Student's Literary and Scientific Society in 1845, with Dadabhai Naoroji, Bhau Daji Laad, Jagannath Shankar Shet, Vishwanath Mandlik and Sorabji Shapurji Bengali.
[3] In 1851, with backing from K. N. Kama and in company with other like-minded Parsis, he founded the Rahnumai Mazdayasnan Sabha, becoming its president for the rest of his life.
[5] When the Bombay Association was set up in 1852, Naoroji Furdunji took the major part in drafting its petition, made in 1853, to the British Parliament.
[7] Naoroji Furdunji visited Europe three times, being sent in 1873 by the Sabha and the Bombay Association to London, to give evidence to a parliamentary committee on Indian finance.