Consider the following famous historical persons : 1. Ashvaghosha 2. Bhavabhuti 3. Nagarjuna 4. Nagasena Who of the above are Buddhist scholars ?

1. Evolution of Buddhist Schools: Hinayana vs. Mahayana (basic)

Welcome to our first step in understanding the vast landscape of Buddhist thought. To understand the evolution of Buddhism, we must start at the root: the death of the Siddhartha Gautama (The Buddha). Initially, the faith was a unified movement, but as his followers grew in number and geographical reach, differences in interpretation began to emerge. These differences were addressed in Buddhist Councils, the first of which was held at Rajagriha to compile the Buddha’s teachings into the Tipitaka (Three Baskets) THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.86.

By the time of the Fourth Buddhist Council, held under the patronage of King Kanishka, a major schism became permanent. This division gave birth to two primary schools: Hinayana (the Lesser Vehicle) and Mahayana (the Great Vehicle). While the Hinayana followers sought to stick strictly to the original, austere teachings of the Buddha, the Mahayana school introduced more populist and devotional elements, such as the worship of the Buddha as a deity and the concept of Bodhisattas (beings who delay their own salvation to help others) THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.103.

One of the most visible markers of this evolution was the shift in language. While early Buddhism relied on Pali and Prakrit to reach the common masses, the Mahayana school increasingly adopted Sanskrit as its scholarly language History, class XI (Tamilnadu state board 2024 ed.), Chapter 3, p.43. This transition helped Buddhism engage with the sophisticated philosophical debates of the time, led by luminaries like Nagarjuna and Ashvaghosha.

Sources: THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.86, 103; History, class XI (Tamilnadu state board 2024 ed.), Rise of Territorial Kingdoms and New Religious Sects, p.42-43

2. Early Buddhist Canonical Literature (basic)

To understand the foundation of Buddhist thought, we must look at its earliest literature, which was primarily oral before being codified. The most fundamental collection is known as the Tripitaka (literally, the "Three Baskets"). These texts were compiled in Pali, the language of the common people, which helped the faith spread rapidly among the masses who found elite Sanskrit inaccessible. History, class XI (Tamilnadu state board 2024 ed.), Chapter 3, p.42.

The Tripitakas are categorized based on their specific purpose and audience:

• Vinaya Pitaka: This is the "Basket of Discipline." It contains the specific rules and regulations governing the Sangha (the monastic order), detailing how monks and nuns should conduct their daily lives. THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), p.86
• Sutta Pitaka: This is the "Basket of Discourses." It is the most vital for understanding the Buddha's philosophy, as it contains his actual sermons and teachings. It is organized into five groups called Nikayas. History, class XI (Tamilnadu state board 2024 ed.), Chapter 3, p.42
• Abhidhamma Pitaka: This is the "Basket of Higher Teachings." It is a more scholarly and technical analysis of the Buddha’s doctrine, dealing with philosophy and ethics rather than narrative sermons.

As Buddhism migrated beyond India, new layers were added to this literary canon. In Sri Lanka, regional chronicles like the Dipavamsa (Chronicle of the Island) and Mahavamsa (Great Chronicle) were written to record the history of the faith. THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), p.86. Over time, the literary tradition evolved from Pali to Sanskrit, led by brilliant scholar-monks like Ashvaghosha, who wrote the Buddhacharita (the first full biography of Buddha), and Nagasena, famous for the philosophical dialogue Milinda Panha. History, class XI (Tamilnadu state board 2024 ed.), Chapter 6, p.82.

Sources: History , class XI (Tamilnadu state board 2024 ed.), Chapter 3: Rise of Territorial Kingdoms and New Religious Sects, p.42; THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.86; History , class XI (Tamilnadu state board 2024 ed.), Chapter 6: Polity and Society in Post-Mauryan Period, p.82

3. Indo-Greek Interactions: The Case of Milinda Panha (intermediate)

In the aftermath of Alexander the Great’s campaigns, a unique cultural synthesis emerged in Northwest India known as the Indo-Greek kingdom. The most celebrated of these rulers was Menander I (c. 165/145–130 BCE), known in Indian traditions as Milinda. His reign extended from the Kabul valley to the plains of western Uttar Pradesh, marking a period where Greek political power met Indian spiritual depth History, Class XI (Tamil Nadu State Board), Chapter 6, p. 79. This interaction is immortalized in the Milinda Panha (The Questions of Milinda), a masterpiece of Buddhist literature that records a philosophical dialogue between the King and the Buddhist sage Nagasena.

The Milinda Panha is structurally fascinating because it employs a question-and-answer format—reminiscent of the Socratic method—to resolve complex theological doubts. King Menander, representing the logical and inquisitive Greek mind, poses deep philosophical riddles to Nagasena regarding the Buddhist doctrines of Anatta (non-soul), rebirth, and the nature of Nirvana. Nagasena’s brilliant use of metaphors, such as the famous analogy of the chariot (arguing that a chariot is not its individual parts, just as the 'self' is a conventional label for shifting elements), eventually leads to the King's conversion to Buddhism History, Class XI (Tamil Nadu State Board), Chapter 3, p. 43.

It is crucial for a student to distinguish Nagasena from other Buddhist luminaries of this era. While Nagasena is the hero of the Milinda Panha, he belongs to a lineage of scholars that includes Ashvaghosha (the philosopher-poet who wrote the Buddhacharita) and Nagarjuna (the founder of the Madhyamaka school). Unlike these figures, who were strictly internal to the evolution of Buddhist thought, Nagasena represents the integration of the "Yavana" (Greek) world with Indian culture. This period saw the "Yavanas" transition from foreign invaders to significant patrons of Indian faiths and arts History, Class XI (Tamil Nadu State Board), Chapter 6, p. 87.

Sources: History, Class XI (Tamil Nadu State Board), Polity and Society in Post-Mauryan Period, p.79; History, Class XI (Tamil Nadu State Board), Rise of Territorial Kingdoms and New Religious Sects, p.43; History, Class XI (Tamil Nadu State Board), Polity and Society in Post-Mauryan Period, p.87

4. Madhyamaka Philosophy and Nagarjuna (intermediate)

To understand Madhyamaka Philosophy, we must first meet its architect: Nagarjuna (ca. 150–250 CE). Often hailed as the "Second Buddha," Nagarjuna lived during a time of immense intellectual ferment when Buddhism was transitioning from its early forms into the Mahayana tradition THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.103. While early thinkers debated the nature of ultimate reality and rebirth THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.85, Nagarjuna provided a revolutionary framework called the Middle Way (Madhyamaka).

The heart of Nagarjuna's philosophy is the concept of Śūnyatā, often translated as "Emptiness." To a beginner, this might sound like nihilism (the belief that nothing exists), but for Nagarjuna, it was the opposite. He argued that all things are "empty" of a svabhava—an independent, permanent essence or soul. Instead of existing in isolation, every phenomenon exists only in relation to other things. This is a refined version of the Buddhist doctrine of Dependent Origination (Pratītyasamutpāda). For instance, a leaf is "empty" of being a leaf by itself; it is actually a collection of sunlight, rain, soil, and air. If you remove those dependencies, the "leaf-ness" disappears.

This stands in fascinating contrast to the Upanishadic tradition, which focuses on Atman (the Self) as a permanent, divine essence that is ultimately one with the universe Exploring Society: India and Beyond. Social Science-Class VI . NCERT (Revised ed 2025), India's Cultural Roots, p.110. Nagarjuna’s Madhyamaka avoids two extremes: Eternalism (the idea that things have a permanent soul) and Nihilism (the idea that nothing matters or exists). By walking the "Middle Way," he sought to liberate the mind from attachments to rigid views and dogmas.

Nagarjuna was part of a wider galaxy of Buddhist intellectuals who shaped Indian thought. It is helpful to distinguish him from his contemporaries and successors:

Sources: THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.103; THEMES IN INDIAN HISTORY PART I, History CLASS XII (NCERT 2025 ed.), Thinkers, Beliefs and Buildings, p.85; History , class XI (Tamilnadu state board 2024 ed.), Polity and Society in Post-Mauryan Period, p.82; Exploring Society: India and Beyond. Social Science-Class VI . NCERT (Revised ed 2025), India's Cultural Roots, p.110

5. Classical Sanskrit Literature: Secular and Hindu Traditions (intermediate)

6. Profiles of Key Buddhist Philosophers and Poets (exam-level)

To master the intellectual history of Buddhism, we must look at the luminaries who transitioned the faith from a set of oral teachings into a sophisticated philosophical and literary tradition. One of the most vital figures is Ashvaghosha (c. 80–150 CE). A philosopher-monk and poet, he was a contemporary of the Kushana King Kanishka and played a key role in the 4th Buddhist Council (History, class XI (Tamilnadu state board 2024 ed.), Chapter 6, p. 80). Ashvaghosha is celebrated for writing the Buddhacharita, the first complete biography of the Buddha written in Classical Sanskrit kavya (poetry) style, making Buddhist teachings accessible to the elite and scholarly circles of the time (History, class XI (Tamilnadu state board 2024 ed.), Chapter 6, p. 82).

Following him is Nagarjuna (ca. 150–250 CE), arguably the most influential Buddhist thinker after the Buddha himself. He founded the Madhyamaka (Middle Way) school of Mahayana Buddhism. Nagarjuna introduced the revolutionary concept of Sunyata (Emptiness), which argues that all phenomena are empty of a permanent, independent essence because they arise dependently on other causes. This philosophy became the bedrock of Mahayana thought across Asia.

We also encounter Nagasena, a monk famous not for a single treatise, but for a profound dialogue. He is the protagonist of the Milinda Panha (Questions of Milinda), a text that records his philosophical debate with the Greco-Bactrian King Menander I. Using brilliant logic and metaphors—such as the famous analogy of the chariot to explain that there is no permanent "soul" or "self"—Nagasena eventually converted the Greek king to Buddhism.

It is crucial for your preparation to distinguish these Buddhist scholars from later figures in the Indian literary canon. For instance, Bhavabhuti was an 8th-century Sanskrit dramatist associated with the court of King Yashovarman of Kannauj. Although a master of the Sanskrit language, his famous works like Malatimadhava and Uttararamacharita belong to the Hindu classical tradition rather than Buddhist scholarship. Recognizing this chronological and religious distinction is a frequent requirement in UPSC history questions.

Sources: History , class XI (Tamilnadu state board 2024 ed.), Polity and Society in Post-Mauryan Period, p.80, 82, 86

7. Solving the Original PYQ (exam-level)

To solve this question, you must synthesize your knowledge of the intellectual landscape of Ancient India. The building blocks here are the pivotal figures who shaped the development of Mahayana Buddhism and the cross-cultural dialogues of the post-Mauryan era. You have previously learned about Ashvaghosha in the context of Kanishka’s court and the writing of the Buddhacharita, and Nagasena through the Milinda Panha, a core text documenting the interaction between Greek kings and Buddhist thought. Nagarjuna, the architect of the Madhyamaka school, completes this trio as the seminal philosopher of Sunyata (emptiness). Recognizing these three as pillars of Buddhist scholarship immediately connects your conceptual learning to the heart of the question.

The reasoning process becomes clear when you identify Bhavabhuti as the 'odd one out.' While he was a master of the Sanskrit language, his contributions lie in Classical Sanskrit drama during the 8th century, centuries after the other figures. His famous works, such as Uttararamacharita and Malatimadhava, are deeply rooted in the Hindu classical tradition and the courtly culture of Kannauj, rather than Buddhist theology. By isolating Bhavabhuti (2), you can systematically eliminate options B and D. Since 1, 3, and 4 are historically verified Buddhist monks and philosophers, the correct choice is (C) 1, 3 and 4.

A common UPSC trap showcased here is the chronological and thematic mix-up. The examiners often blend scholars from the 2nd century BCE to the 3rd century CE (the peak of Buddhist philosophical expansion) with later figures from the medieval transition period. Students often trip up by assuming all ancient Sanskrit writers were Buddhist if they were 'ancient.' However, as highlighted in History, class XI (Tamilnadu state board 2024 ed.), distinguishing between religious philosophers and secular courtly dramatists is essential. Always check if the figure is associated with a specific Vihara or a royal Hindu court to avoid falling for these thematic overlaps.