Jai Kisan - Jai Vigyan' week is celebrated by ICAR to commemorate the birth anniversary of ________.
1. V P Singh and H D Devegowda
2. Jawaharlal Nehru and Lal Bahadur Shastri
3. Narendra Modi and L K Advani
4. Atal Bihari Vajpayee and Chaudhary Charan Singh