Here we listed important ministry and their minister names for upcoming competitive examinations. 1. Prime Minister of India—Narendra Damodardas Modi 2. Speaker of the Lok Sabha—Sumitra Mahajan 3. Minister of Defence—Manohar Parrikar 4. Minister of External Affairs—Sushma Swaraj 5. Minister of Finance—Arun Jaitley 6. Minister of Home Affairs—Rajnath Singh 7. Minister of Agriculture—Radha Mohan Singhmore..