● Dadabhai Naoroji is the father of Indian economics. ∘ He is the first person who attempted to calculate the national income in India. ∘ Dadabhai Naoroji is well known as the "Grand old man of India". ∘ He is the propounded of Drain Theory. ∘ He wrote the famous book 'Poverty and Un-British Rule in India'. ∘ He is one of the founding members of the Indian National Congress. ■He was appointed as the president of the Indian National Congress in 1886. ■He was elected as the president of INC three times In 1886,1893 and 1906. ∘The word swaraj was first used by Dadabhai Naoroji in Indian National Congress's session held at Calcutta in 1906.