Explanation:

Kisan Diwas or National Farmers' Day is observed across India on December 23. The day honours Chaudhary Charan Singh, the 5th Prime Minister of India who was born on this day. It was in the year 2001, the Government of India decided to observe December 23 every year as Kisan Diwas. During his tenure as the Prime Minister of India from July 1979 to January 1980, Chaudhary Charan Singh introduced a slew of policies to improve the lives and conditions of farmers in the country. He also played a leading role in the agricultural sector of the country by introducing bills for farmers' reforms.