Question : Who was the prime minister of India during the era of one-party dominance by Congress?
Option 1: Indira Gandhi
Option 2: Lal Bahadur Shastri
Option 3: Jawaharlal Nehru
Option 4: Rajiv Gandhi
Correct Answer: Jawaharlal Nehru
Solution : Jawaharlal Nehru was the prime minister of India during the era of one-party dominance by Congress, serving from 1947 until his death in 1964.