The correct answer is option 'B' - Jawaharlal Nehru. Nehru's book "The Discovery of India" is a comprehensive account of India's history, culture, and philosophy. It was first published in 1946 and has since become a widely read and influential work.

Jawaharlal Nehru was the first Prime Minister of India and a prominent leader in the Indian independence movement. He played a crucial role in shaping modern India and was known for his deep understanding of the country's history and civilization. "The Discovery of India" was written during his imprisonment in 1942-1946 as a response to his daughter's request for a book on Indian history.

Here is a detailed explanation of why Jawaharlal Nehru wrote "The Discovery of India":

1. Historical Context:
- Nehru was imprisoned by the British colonial government during the Quit India Movement, a major civil disobedience movement for independence.
- During his imprisonment, Nehru had ample time to reflect on India's history, culture, and philosophy.

2. Nehru's Vision of India:
- Nehru was deeply committed to the idea of a modern, democratic, and secular India.
- He believed that a strong understanding of India's rich past was essential for shaping the future of the nation.
- Nehru wanted to provide Indians with a comprehensive account of their heritage, which would instill a sense of pride and unity among the people.

3. Scope and Content of the Book:
- "The Discovery of India" covers a vast range of topics, including ancient history, religions, philosophy, art, literature, and the freedom struggle.
- Nehru explores India's civilizational achievements, its interactions with other cultures, and the challenges it faced under colonial rule.
- The book also delves into Nehru's own reflections on nationalism, socialism, and the role of science and technology in India's development.

4. Impact and Significance:
- "The Discovery of India" has had a profound impact on generations of Indians, shaping their understanding of their country's past and inspiring a sense of national pride.
- The book has been translated into several languages and continues to be widely read and studied.
- Nehru's portrayal of India as a diverse yet united nation, with a rich cultural heritage, resonated with many Indians and influenced their perception of their own identity.

In conclusion, "The Discovery of India" was written by Jawaharlal Nehru during his imprisonment as a comprehensive account of India's history, culture, and philosophy. It reflects Nehru's vision of a modern and united India and has had a significant impact on shaping the understanding of Indian identity and heritage.

Discovery of India was written by our first Prime Minister Pt. Jawaharlal Nehru.He wrote this book during his imprisonment at Ahmednagar fort for participating in Quit India Movement between 1942 to 1946.