[3] In 1930, Sankaralinganar participated in the Salt March led by Mahatma Gandhi from Ahmedabad to Dandi.
In 1952, Sankaralinganar donated his two houses for a girls school and deposited money to provide food to the students.
In 1952, Potti Sreeramulu demanded a separate state for Telugu speaking people with Madras as its capital.
During this period, Sankaralinganar started a hunger strike on 27 July 1956 in Virudhunagar, with twelve demands which included Madras State to be renamed Tamil Nadu, the achievement of electoral reforms and alcohol prohibition in India.
[5] Leaders like C. N. Annadurai, M. P. Sivagnanam and Jeevanandham requested him to stop his hunger strike but he continued.