For the first time in India, the Kisan Diwas was celebrated on which of the following years?

The National Farmers' Day or National Kisan Diwas was celebrated for the first time in India on September 1, 1936, following the formation of the All India Kisan Sabha (AIKS) earlier that year in Lucknow. Swami Sahajanand Saraswati was the first president of the AIKS.(Note: In contemporary India, National Farmers' Day/Kisan Diwas is observed annually on December 23 to commemorate the birth anniversary of the $5\text{th}$ Prime Minister of India, Choudhary Charan Singh, which started from 2001).