National Farmer's Day (Kisan Diwas) is being observed on December 23 to commemorate the birth anniversary of which of the following former Prime Ministers of India and his contributions towards the upliftment of farmers in the country?
1
Lal Bahadur Shastri
2
Chaudhary Charan Singh
3
Atal Bihari Vajpayee
4
Morarji Desai
5
Jawaharlal Nehru