In Madras town of the 19th century, very cheap small books were brought to markets and were sold at crossroads, so the poor people could purchase It. From the late 19th century, issues of caste discrimination began to be written in many printed tracts and essays, all these helped to draw the attention of poor people.
These social reformers were successful to drew attention & poor people by their print work
(i) The social reformers like Jyotiba Phule wrote about the injustices of the caste system in his book Gulamglri (1871).
(ii) In the 20th century, BR Ambedkar and EV Ramaswamy Naicker wrote about casteism and their writing was read by people all over India.
(lii) Kashibaba, a Kanpur mill-worker, wrote and published Chhote Aur Bade Ka Sawal' in 1938, which suggested the links between caste and class exploitation.