Correct option is B
The correct answer is (b) Choudhary Charan Singh
Explanation:
● Choudhary Charan Singh served as the Deputy Prime Minister of India from 1977 to 1979 in the Morarji Desai government.
● He subsequently served as the Prime Minister of India from July 1979 to January 1980.
Information Booster:
● Jagjivan Ram served as Deputy Prime Minister but never as Prime Minister.
● I.K. Gujral and V.P. Singh served as Prime Ministers but never as Deputy Prime Ministers.
Additional Knowledge:
● Morarji Desai also served as both Deputy PM (under Indira Gandhi) and later as PM.