Correct option is A
The correct answer is (a) Escott Reid. "Envoy to Nehru" is a memoir by Escott Reid, who served as a high-ranking diplomat. Reid's experiences and insights during his tenure, especially in relation to Jawaharlal Nehru, India's first Prime Minister, offer a unique perspective on the political and diplomatic landscape of the time. This work is notable for providing an in-depth look at India's foreign policy, its leadership, and the international dynamics of the era, through the eyes of a diplomat deeply involved in the events of the day.