Jawaharlal Nehru is the answer supported by the established record relevant to this First in India question. It matches the exact First in India distinction asked in the stem and corresponds to option D. Indira Gandhi is incorrect because that name or entity is associated with another office, achievement, award, event, or category. Rabindranath Tagore is also incorrect; it may be historically important, but it does not hold this precise record. Rajendra Prasad is incorrect because its qualifier, field, chronology, or milestone differs. The common exam trap is a changed word such as Indian, woman, independent India, individual, or honorary. Therefore the correct index, answer field, English explanation, and Hindi explanation should consistently identify Jawaharlal Nehru. The correct answer is Jawaharlal Nehru. The expression ‘first in India’ must be read precisely: the field, office, achievement, date and qualifying condition in the question all matter. The alternatives Indira Gandhi, Rabindranath Tagore, Dr. Rajendra Prasad belong to different achievements, periods or institutional roles. A reliable revision method is to record the pair ‘Who was the first Prime Minister of India? — Jawaharlal Nehru’ together with its field and historical context.