(i) In the early 20‌th ‌ century, public libraries were set up for the poor people. In the late 19th century, issue of casteism began to be written in presses.
(ii) Jyotiba Phule wrote 'Gulamgiri' which exposed the ill-treatment of the low castes.
(iii) Dr. B. R. Ambedkar and Ramaswamy Naicker wrote about the untouchability, the evil of society.
These books and writings highlighted how poor people were exploited by the upper castes. These books were read all over India and became helpful to improve the conditions of the poor people.